2ACIX-PI7CIn-ear True Wireless Headphone(charging case of TWS headphones)

PI7 Manual 2 1. Carton Contents Please ensure the following items are included in carton: PI7 Headphones with ear tips (M) Charge Case USB-C Charging USB-C - 3.5mm Audio Cable Ear Tips (S/L) Literature Pack 3 2. Getting to Know Your Earphones 2.1 Switch Earphones On/Off Switching On/Off The PI7 does not have a power control and the power management is automatic. Your PI7 ear buds will charge when placed into the charging case and will be ready to use when they are removed from the charing case. If the ear buds are out of the charge case and not being used the earbuds will automatically go into a low power mode to conserve power. 2.2 Earphone Controls Each ear bud mas a multi-function button located on the flat round section of the ear bud. The multi- functionally button controls for media playback: FunctionAction Play or pausePress the Multi-function button once Play to next trackPress the Multi-function button twice in quick succession Play previous trackPress the Multi-function button three times in quick succession Initiate voice servicePress and hold the Multi-function button The following buttons on the right control unit are used for phone call functionality: FunctionAction Answer an incoming callPress the Multi-function on either ear bud button once End a callPress the Multi-function on either ear bud button once during the call Decline an incoming Press the Multi-function button twice in quick succession with incoming call 4 3.Battery Charging Your Bowers & Wilkins PI7 ships with the battery partially charged & may be used immediately. For best practice we recommend to fully charge the earphones before first use. Please allow up to 3 hours for full charge. The earphones can be used while charging. To charge the PI7 ear buds: 1.Place the PI7 ear buds int the charge case 2.Close the charge case lid To charge the PI7 charge case with cable: 1.Please use the supplied USB charging cable and connect the USB plug to a USB wall charger or a powered computer USB socket. 2.Then connect the USB-C end to the charge case USB-C socket Note: During charging, the charge case indicator will blink green. When fully charged, the indicator will remain illuminated. The charge case can be charge with or without the ear buds being housed inside the charge case To charge the PI7 charge case with a wireless charging station: 1.Place the charging case onto a wireless charging station 2.Ensure that the rear of the charging case is on the charging station (with the case indicator facing up Note: During charging, the charge case indicator will blink green. When fully charged, the indicator will remain illuminated. 5 3.1 Status Indicator The status indicator is located on the charge case. When the ear buds are in the charge case the charge case indicator will show the battery charge level of the ear buds. When the ear buds are removed from the charge case the charge case indicator will show the battery charge level of the charging case. IlluminationIndication Green (case lid open)Battery charge > 40% Amber (case lid open)Battery charge > 20% Red (case lid open)Battery charge > 10% Red flashing (case lid open)Battery charge <10% Blue blinkingPairing Mode Enabled Blue (3 sec solid)Pairing successful 6 4.Stowing the Ear Buds When not being worn in the ear, the PI7 ear buds can be stored and charged inside the charge case. The ear buds will be magnetically held in the charge case. The ear buds can only be stowed in one orientation Note: Take special care when wearing your earphones, hair or accessories trapped between your ears and the ear buds may interfere with proximity sensing. 7 5. Bluetooth Connectivity 5.1 Pairing Your Bowers & Wilkins PI7 earphones are designed to stream music wirelessly from Bluetooth audio devices, such as smartphones, tablets, or computers. To do so, the earphones & device must first be paired. When you receive your PI7 earphones they will be ready to pair to any Bluetooth audio device. 1.Open the charge case lid with the ear buds places inside the charge case 2.The charge case indicator will flash blue 3.Go to the Bluetooth pairing menu of your device 4.Select the “Bowers & Wilkins PI7” from the device list 5.The charge case indicator will change to solid blue to indicate pairing is sucessful To pair to a subsequent device 1.Open the charge case lid with the ear buds places inside the charge case 2.Press and hold the button inside the charge case for between 1 and 5 seconds 3.The charge case indicator will flash blue 4.Go to the Bluetooth pairing menu of your device 5.Select the “Bowers & Wilkins PI7” from the device list 6.The charge case indicator will change to solid blue to indicate pairing is sucessful Your heapdhones can remember up to eight paired Bluetooth Devices. Repeat the above steps to pair more devices. Note: Your earphones will automatically exit Bluetooth pairing mode if no device is paired within 5 minutes. If pairing fails, the indicator will rapid flash blue, please try pairing again 8 6.Using PI7 6.1Bluetooth Audio Sources Once paired to a Bluetooth audio source you can connect to the PI7 and all audio should be able to play all audio through the headphones 6.2 External Audio Sources The PI7 can be connected to external audio sources, such as in-flight entertainment systems. Simply connect the charge case to the external audio source with the USB-3.5mm connector cable and the audio will be transmitted from the charge case to the ear buds. 6.3Voice Services The PI5 will support connections to any voice service in a paired and connected device. Pressing and holding the multi-function button will trigger the inbuilt voice service in 9 6. Earphone Reset Your earphones can be reset to factory settings. To reset the earphones open the charge case with the ear buds placed inside. Press and hold the button on the inside of the charge case for 5 seconds or more and release. The indicator on the charge case will turn red to indeicate the reset. 10 8. Caring For Your Earphone…

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LL35653 / 3 B&W Group Ltd. Dale Road Worthing West Sussex BN11 2BH England PI7 Safety & Warranty PI7_Safety_Warranty_Cover_ALL_issue 3.indd 120/08/2020 14:00 1 Read these instructions. 2 Keep these instructions. 3 Heed all warnings. 4 Follow all instructions. 5 Clean only with a dry cloth. 6 Only use attachments/accessories specified by the manufacturer. 7 Ensure that the headphones are not worn with, or kept in the immediate vicinity (closer that 10cm) of, a pacemaker. 8 Do not insert headphone jack plugs into electric power sockets. 9 Always supervise children using these headphones. 10 The operation of switches on your hi-fi system, or the action of plugging-in the headphones, may cause audible clicks which, at high volume levels, may effect your hearing. Always therefore set the volume control to minimum before operating switches or plugging-in the headphones. 11 Do not use headphones while driving or cycling. 12 Contains small parts which may be a choking hazard. Not suitable for children aged 3 or under. 13 This product contains magnetic material. 14 Do not drop, sit on, or allow headphones to be immersed in water. 15 Prolonged listening at high volume levels may cause hearing damage. 16 This product is only designed to work at an ambient temperature of up to 40°C. 17 This product contains Lithium batteries, if misused or damaged this can become a hazard and is at risk of explosion. 18 Do not handle the product should the battery leak. 19 Do not incinerate the product/battery or leave it in an extremely high temperature surrounding environment. This could result in the internal battery exploding or the leakage of flammable liquid or gas. 20 Do not subject the product/battery to extremely low air pressure. This could result in the internal battery exploding or the leakage of flammable liquid or gas. 21 Do not attempt to access or replace the product’s battery, the battery is internal and not user serviceable. 22 Refer to the product manual for information on battery care. 23 Do not expose the product to rain or moisture 24 Do not use the product near water, bathtubs, sinks, saunas, pools or steam rooms. 25 Turn off the product before boarding aircraft. 26 Do not position or store the product or accessories on or near a vehicle air bag, should the airbag exploded there is a risk of injury. 27 Dispose of this product in accordance with local regulations. This product must not be disposed of with regular household waste. Disposal of a battery into fire or a hot oven, mechanically crushing or cutting of a battery can result in an explosion. Compliance markings are located on the inside of the charging case lid. For skilled person: CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. Replacement of a battery with an incorrect type can defeat a safeguard. Warranty Bowers & Wilkins products are designed and manufactured to the highest quality standards. However, if something does go wrong with the product, B&W Group Ltd. and its national distributors warrant free of charge labour (exclusions may apply) and replacement parts in any country served by an official Bowers & Wilkins distributor. This warranty complements any national or regional legal obligations of dealers or national distributors and does not affect your statutory rights as a customer. Some regional legal obligations outside the control of B&W Group Ltd. may reduce the scope or time of the terms outlined below. In particular: English Important safety instructions PI7_Safety_Warranty_Cover_ALL_issue 3.indd 220/08/2020 14:00

• Special warranty terms apply in the Russian Federation. • Specific import regulations apply in Brazil. • See following pages for specific warranty instructions that apply in Australia. Please contact the relevant national distributor for details. Terms and Conditions This warranty: 1 is valid only for products purchased from an authorised Bowers & Wilkins retailer or dealer. 2 is valid from the date of purchase for a period of five years for passive loudspeakers and two years for powered loudspeakers, electronics and headphones, except that exclusions apply in certain countries in line with national law. Please consult the Bowers & Wilkins distributor in your country for detailed information. 3 is limited to the repair of the equipment. Neither transportation, nor any other costs, nor any risk for removal, transportation and installation of products is covered by this warranty. 4 is only valid for the original owner. It is not transferable. 5 will not be applicable in cases other than defects in materials and/or workmanship at the time of purchase and will not be applicable: a for deterioration of component parts, the nature of which is to become worn or depleted with use, such as batteries and headphone ear pads. b for any interoperability issues with third party products; unless we explicitly specify this intent, c for damages caused by incorrect installation, connection or packing, d for damages caused by any use other than correct use described in the user manual, negligence, modifications, or use of parts that are not made or authorised by B&W Group Ltd., e for damages caused by faulty or unsuitable ancillary equipment, f for damages caused by accidents, lightning, water, fire heat, war, public disturbances or any other cause beyond the reasonable control of B&W Group Ltd. and its appointed distributors, g for products whose serial number has been altered, deleted, removed or made illegible, h if repairs or modifications have been executed by an unauthorised person. How to claim repairs under warranty Should you have any concerns regarding the performance of your product, please use the following procedure: 1 You can find all contact details by clicking on ‘Contact Bowers & Wilkins’ at the bottom of the home page of our web site and selecting the appropriate country. 2 Our representative will discuss your concerns. If it is found necessary to return the product for repair, you may be given a Return Merchandise Authorisation. You should not return the product without this authorisation, if given. To validate your warranty, you will need to produce the original sales invoice or other proof of ownership and date of purchase. Environmental Information This product complies with international directives, including but not limited to: i. the Registration, Evaluation, Authorisation and restriction of CHemicals (REACH) ii. the disposal of Waste Electrical and Electronic Equipment (WEEE). Consult your local waste disposal authority for guidance on how properly to recycle or dispose of this product. PI7_Safety_Warranty_Text_ALL_issue 4.indd 116/12/2020 14:42 Australia Warranty Subject to the following terms, Bowers & Wilkins Australia Pty Ltd will repair or replace any part of any eligible Bowers & Wilkins product that is defective within the warranty period indicated in the table below or refund you the cost of the replacement. The benefits to a consumer given by this warranty are in addition to other rights and remedies of the consumer under a law in relation to the goods or services to which the warranty relates. Eligibility To claim the benefit of this warranty you must; 1 Be the original purchaser of a genuine Bowers & Wilkins product (this warranty is not transferable) 2 Produce proof of your purchase 3 This warranty is limited to defects that arise; a in the course of normal domestic installation and use and b within the warranty period identified for the product in the table below, commencing on the date of original purchase. 4 This warranty excludes: a defects arising from misuse, accident, neglect or improper care, fluctuation in electrical current, incorrect or failed software upgrade, damage or malfunction from incorrect assembly or installation, defects from alteration or modification, unauthorised service or repair; b appearance items such as cabinetry marks or damage; c products on which the serial number has been defaced or removed; and d claims made later than 21 days after the defect first appears. 5 Note: In making a claim under this warranty, you agree that If, following receipt of your claim under this warranty, Bowers & Wilkins or its authorised service centre determine that your claim in respect of a product is invalid or you have provided false, inaccurate or misleading information with your claim, Bowers & Wilkins or its authorised service centre may charge you for any labour, parts or transport costs incurred. How to Claim In order to make a claim under this warranty, take the following steps: 1 Attach you proof of purchase document(s) to the below card and complete the details. 2 Contact Bowers & Wilkins by telephone or email (contact details below) 3 Deliver the product(s) the subject of your claim to the Authorised Service Centre nominated by Bowers & Wilkins. Details of the Authorised Services Centres are available at the below address. 4 You must bear any expense you incur in claiming this warranty. Notice: Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. BrandCategory Warranty Period Bowers & Wilkins Headphones2 Years Accessories 1 Year Bowers & Wilkins Australia Pty Ltd., Suite 303, 754 Pacific Highway, Chatswood , 2067 New South …

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Registered in England and Wales - company number 880499 B&W Group Ltd, Dale Road, Worthing, West Sussex, BN11 2BH, United Kingdom Date (11/06/2020) TUV SUD BABT TCB Octagon House, Segensworth Road, Fareham, Hampshire, P015 .5RL Confidentiality Request FCC ID: 2ACIX-PI7C Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission's Rules, B&W Group Ltd.hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics Bill of Materials/Parts List Block Diagrams Theory of Operation Plantronics, Inc. also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of (180) days: Internal Photos External Photos User Manual Test Set-up Photographs The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant B&W Group Ltd. Dale Road Worthing West Sussex BN11 2BH United Kingdom T +44 (0) 1903 221 800 bowerswilkins.com Registered in England and Wales - company number 880499 B&W Group Ltd, Dale Road, Worthing, West Sussex, BN11 2BH, United Kingdom for this Application. Yours sincerely, Company Officer: Director of HW Quality Assurance Telephone Number: 441903221722 Extension: Email: [email protected]

EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 1 of 3 External Photos EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 2 of 3 EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 3 of 3

Label Location

EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 1 of 4 Wireless charger Antenna EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 2 of 4 BT Antenna EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 3 of 4 EMC_SZ_FR_20.00 E-I Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12&13, Zhiheng W isdomland Business Park, Nantou Checkpoint Road 2, Nanshan District, Shenzhen City, 518052, P. R. China Tel. +86 755 8828 6998, Fax: +86 755 8828 5299 Page 4 of 4

Page: 1 of 25 TEST REPORT Report No. ...................................... : CHTEW20110169 Report verificaiton: Project No. ...................................... : SHT2011013901EW FCC ID ............................................. : 2ACIX-PI7C Applicant’s name ........................... : B&W Group Ltd. Address ............................................. : Dale Road, Worthing West Sussex, BN11 2BH, UNTED KINGDOM Test item description .................... : In-ear True Wireless Headphone (Charging case of TWS headphones) Trade Mark ....................................... : Bowers & Wilkins Model/Type reference ....................... : PI7 Listed Model(s) ................................. : - Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1, 1999 Edition IEEE 1528: 2013 Date of receipt of test sample..........: Nov.04, 2020 Date of testing..............................: Nov.05, 2020- Dec.01, 2020 Date of issue...............................: Dec.25, 2020 Result .................. ........................: PASS Compiled by ( position+printedname+signature) ... : File administrators: Fanghui Zhu Supervised by ( position+printedname+signature) ... : Test Engineer: Patrick Qiu Approved by ( position+printedname+signature) ... : Manager: Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW20110169 Page: 2 of 25 Issued: 2020-12-25 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V02 (2020-06) Contents 1. Statement of Compliance 3 2. Test Standards and Report version 4 2.1. Test Standards 4 2.2. Report version 4 3. Summary 5 3.1. Client Information 5 3.2. Product Description 5 3.3. RF Specification Description 6 3.4. Testing Laboratory Information 7 3.5. Environmental conditions 7 4. Equipments Used during the Test 8 5. Measurement Uncertainty 9 6. SAR Measurements System Configuration 10 6.1. SAR Measurement Set-up 10 6.2. DASY5 E-field Probe System 11 6.3. Phantoms 12 6.4. Device Holder 12 7. SAR Test Procedure 13 7.1. Scanning Procedure 13 7.2. Data Storage and Evaluation 15 8. Dielectric Property Measurements & System Check 17 8.1. Tissue Dielectric Parameters 17 8.2. System Check 18 9. SAR Exposure Limits 21 10. Conducted Power Measurement Results 22 11. Maximum Tune-up Limit 23 12. Measured and Reported SAR Results 24 13. SAR Measurement Variability 25 Report No.: CHTEW20110169 Page: 3 of 25 Issued: 2020-12-25 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V02 (2020-06) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions Bluetooth Body-worn(Dist.= 0mm) 0.16 This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits (1.6 W/kg) specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2013 and FCC KDB publications. Report No.: CHTEW20110169 Page: 4 of 25 Issued: 2020-12-25 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V02 (2020-06) 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency radiation exposure evaluation: portable devices. IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies 248227 D01 802 11 Wi-Fi SAR v02r02: SAR Measurement Proceduresfor802.11 a/b/g Transmitters TCB workshop April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2. Report version Revision No. Date of issue Description N/A 2020-12-25 Original Report No.: CHTEW20110169 Page: 5 of 25 Issued: 2020-12-25 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V02 (2020-06) 3. Summary 3.1. Client Information Applicant: B&W Group Ltd. Address: Dale Road, Worthing West Sussex, BN11 2BH, UNTED KINGDOM Manufacturer: B&W Group Ltd. Address: Dale Road, Worthing West Sussex, BN11 2BH, UNTED KINGDOM 3.2. Product Description Main unit Name of EUT: In-ear True Wireless Headphone (Charging case of TWS headphones) Trade Mark: Bowers & Wilkins Model No.: PI7 Listed Model(s): - Power supply: DC3.7V from battery Device Category: Portable Product stage: Production unit RF Exposure Environment: General Population/Uncontrolled Hardware version: PI7 Software version: V.1.0.X Device Dimension: Overall (Length x Width x Thickness): 60x55x25 mm Remark: 1. The EUT support wireless charging receiver frequency is 110KHz-205KHz. Report No.: CHTEW…

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Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab Date: 11/4/2020 BT-Body Communication System: UID 0, Generic BT (0); Frequency: 2480 MHz;Duty Cycle: 1:1 Medium parameters used: f = 2480 MHz; σ = 1.859 S/m; ε r = 40.398; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.6°C;Liquid Temperature:22.4°C; DASY Configuration: lProbe: EX3DV4 -SN7494; ConvF(7.91, 7.91, 7.91) @ 2480 MHz; Calibrated: 4/1/2020 lSensor-Surface: 1.4mm (Mechanical Surface Detection) lElectronics: DAE4 Sn1549; Calibrated: 4/4/2020 lPhantom: Twin-SAM V8.0 ; Type: QD 000 P41 AA; Serial: 1974 lDASY52 52.10.2(1495); SEMCAD X 14.6.12(7450) Rear/CH 78/Area Scan (71x71x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.117 W/kg Rear/CH 78/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 6.442 V/m; Power Drift = -0.13 dB Peak SAR (extrapolated) = 0.123 W/kg SAR(1 g) = 0.072 W/kg; SAR(10 g) = 0.039 W/kg Maximum value of SAR (measured) = 0.103 W/kg 0 dB = 0.103 W/kg = -9.87 dBW/kg

Appendix B: DAE and Probe Calibration Certificate 1 of 12 1.1. DAE4 Calibration Certificate Appendix B: DAE and Probe Calibration Certificate 2 of 12 Appendix B: DAE and Probe Calibration Certificate 3 of 12 Appendix B: DAE and Probe Calibration Certificate 4 of 12 1.2. Probe Calibration Certificate Appendix B: DAE and Probe Calibration Certificate 5 of 12 Appendix B: DAE and Probe Calibration Certificate 6 of 12 Appendix B: DAE and Probe Calibration Certificate 7 of 12 Appendix B: DAE and Probe Calibration Certificate 8 of 12 Appendix B: DAE and Probe Calibration Certificate 9 of 12 Appendix B: DAE and Probe Calibration Certificate 10 of 12 Appendix B: DAE and Probe Calibration Certificate 11 of 12 Appendix B: DAE and Probe Calibration Certificate 12 of 12

Appendix C: Dipole Calibration Certificate 1 of 11 1.1. D2450V2 Dipole Calibration Certificate Appendix C: Dipole Calibration Certificate 2 of 11 Appendix C: Dipole Calibration Certificate 3 of 11 Appendix C: Dipole Calibration Certificate 4 of 11 Appendix C: Dipole Calibration Certificate 5 of 11 Appendix C: Dipole Calibration Certificate 6 of 11 Appendix C: Dipole Calibration Certificate 7 of 11 Appendix C: Dipole Calibration Certificate 8 of 11 Appendix C: Dipole Calibration Certificate 9 of 11 Extended Dipole Calibrations Referring to KDB865664 D01, if dipoles are verified in return loss (<-20dB, within 20% of prior calibration), and in impedance (within 5 ohm of prior calibration), the annual calibration is not necessary and the calibration interval can be extended. Head-2450 Date of measurement Return-loss (dB) Delta (%) Real Impedance (ohm) Delta (ohm) Imaginary impedance (ohm) Delta (ohm) 2018-02-05 -27.4 53.8 2.2 2019-02-03 -26.8 2.19% 52.9 0.9 1.9 0.3 2020-01-22 -27.1 1.09% 53.1 0.7 1.8 0.4 The return loss is <-20dB, within 20% of prior calibration; the impedance is within 5ohm of prior calibration. Therefore the verification result should support extended calibration. Appendix C: Dipole Calibration Certificate 10 of 11 Appendix C: Dipole Calibration Certificate 11 of 11

Report Number:68.950.20.0651.01 EMC_SZ_FR_21.00FCC Release 2014-03-20 TÜV SÜD Certification and Testing (China) Co., Ltd. Shenzhen Branch Building 12 & 13, Zhiheng Wisdomland Business Park, Nantou Checkpoint Road 2, Nanshan District Shenzhen 518052,P.R. China Page 1 of 64 FCC/IC - TEST REPORT Report Number:68.950.20.0651.01Date of Issue:December 17, 2020 Model:PI7 Product Type:In-ear True Wireless Headphone (Charging case of TWS headphones) Applicant:B&W Group Ltd. Address:Dale Road WorthingUnited KingdomBN11 2BH Factory:Charter Media (Dongguan) Co., Ltd. Address:Dabandi Industrial Zone, Daning District, Humen Town, :523930 Dongguan City, Guangdong Province, :PEOPLE’S REPUBLC OF CHINA Test Result:nPositiveoNegative Total pages including Appendices:64 TÜV SÜD CERTIFICATION AND TESTING (CHINA) CO., LTD. SHENZHEN BRANCH is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD CERTIFICATION AND TESTING (CHINA) CO., LTD. SHENZHEN BRANCH reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations TÜV SÜD CERTIFICATION AND TE…

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