2A482-U2-PROBaseus Neckband Noise-Cancellation Wireless Earphones

The following is the copy of U2 Pro product manual (the red font is the change) Baseus Neck hanging noise cancelling Bluetooth headset Bowie U2 Pro Operating instruction Please read this instruction carefully before using the product and keep it properly (the first page of the instruction) Product line block diagram 1. Product connection steps 2.1 boot When the device is powered on for the first time, turn on the key to the starting position. At this time, the red and white light flashes quickly to enter bluetooth pairing. 2. Bluetooth connection 3. Turn on the Bluetooth function of the mobile phone, enter the pairing mode, and select Baseus Bowie U2 Pro 4. After the connection is successful, the indicator is off. 3Download the APP and bind the headphones 4. Turn it off 5. Switch the on key to the shutdown position, and the earphone enters the shutdown state. Ii. Product function operation (wireframes, indicating corresponding buttons) Music mode: Play/Pause: Click your left or right ear (L or R) Previous song: Press left ear for 1.5 seconds Next: Press your right ear for 1.5 seconds Activate the phone's voice assistant: Three clicks on the left or right ear (L or R) Switching noise reduction mode: Double click left ear or right ear (L or R) Note: Mode switching sequence is: Noise reduction on - >; Normal mode - > Transparent mode Phone mode: Answer/Hang up: Click the left or right ear (L or R). Reject: Press left or right ear for 1.5 seconds (L or R) Charging power indicator: When the earphone is in the charging process, the battery indicator lights red; When fully charged, the power indicator lights white. Restore factory Settings: When the headset is on, turn off the bluetooth of the mobile phone and hold down the left ear touch button and the right ear touch button for 4 seconds at the same t ime. The red light blinks three times, indicating success. APP Usage and security: 1. Custom adjustment of gestures can be carried out in the APP. 2. EQ mode selection and custom adjustment can be carried out in APP. 3. Noise reduction mode can be selected in APP. 4. Low delay mode can be switched in the APP. Note: Enter Settings - Open application - Application Startup Management - Manually open "Beisi" APP: allow automatic startup, allow associated startup, and allow background activities. Declaration of harmful substances in electronic information products Part name Hazardous substance or element （pb） （Hg） （Cd） （Cr Vl） （PBB） （PBDE） PCB X O O O O O plastic O O O O O O battery O O O O O O attachment O O O O O O Charging line X O O O O O This form is prepared in accordance with SJ/T 11364. O: indicates that the content of the hazardous substance in all homogeneous materials of the component is below the limits specified in GB/T 26572. X: The content of auxiliary hazardous substances in at least one homogeneous material of the component exceeds the limit requirements specified in GB/T 26572. The product complies with EU RoHS 2.0 Directive (2011/65/EU) Tips: The 5-year icon refers to the "environmental protection effective use period", not the product quality guarantee period. Electronic products contain lead, mercury, dmium and other harmful substances. Once they are used over time, the harmful substances may cause environmental pollution or serious damage to human body an roperty due to leakage or mutation. "Environmental protection use period" means that all electronic products will be required to use within this effective period, and w ill not be responsible for the safety risk problems after the safe use period. Iv. Product safety information Please read all instructions and warnings before using this product, non-standard use will damage the product or personal safety. Anyway, the device comes with a battery, so don't expose yourself to strong sun or overheating, such as a furnace. Do not store the product under high temperature, ong light and strong magnetic field. A product should not be placed in harsh environments such as near a fire, regardless of whether it is knocked, thrown, trampled on, squeezed or thrown into the fir stead, do not use a product if it bulges. The operating temperature of the product is 0 to 45 ° C. According to the principle, users should not buy a ticket, which damages the product or endangers personal and property safety due to improper use contrary to the duct specifications. Unpros are banned from decomposing a product, which can cause a fire or even completely damage the product, according to the Website. Buy a ticket to avoid using a load that exceeds the product's output current, as the device automatically stops working. Buy a ticket to periodically clean the charging contact of your headphones using a clean cotton cloth to prevent them from failing to charge or switch on due to long- m uncleaning. Buy something to avoid putting the product in water (or in a washing machine), and if it floods, wait for it to dry naturally before using it. Five, product parameters: Name: Basues Neck hanging noise reduction Bluetooth headset Model: Baseus Bowie U2 Pro Material: ABS+PC+ metal + silicone Bluetooth version: V5.2 Communication distance: 10 meters Listening time: about 17 hours (70% volume, noise reduction) About 13 hours (70% volume, noise reduction on) Battery capacity (L/R) : 110mAh/0.407Wh (earphone) Earphone rated input: DC5V ⎓ 1A Rated consumption current of headset: 13 mA Charging time: about 1.5 hours Frequency response range: 20HZ-20khz Charging interface: Type-c Suitable for: Bluetooth enabled playback devices * Above data source Baseus (Beisi) laboratory determination of the value, but due to the objective environment change data will be different or error 6. Packing list Headphones (large/small) *4pcs Buy a ticket charging cable *1pcs Costing Specification *1pcs Buy a warranty card *1pcs (Wireframes are needed to represent it) Vii. Relevant ICONS, product execution standards, product safety warnings and supplier information to be added (see package copy…

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Shenzhen Baseus Technology Co., Ltd. Date: 2022.06.27 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:__2A482-U2-PRO____ Product Name:________ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block Diagram  Operation Description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Signature: Name: Harry Wang Company: Shenzhen Baseus Technology Co., Ltd. Address: 2th Floor, Building B, Baseus Intelligence Park, No.2008, Xuegang Rd, Gangtou Community, Bantian Street, Longgang District, Shenzhen China Phone: +86-18098946792 Fax: / Email: [email protected] Baseus Neckband Noise-Cancellation Wireless Earphones

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 Http://www.sz-ctc.org.cn Page 1 of 3 External Photographs Page 2 of 3 Page 3 of 3

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 Http://www.sz-ctc.org.cn Page 1 of 1 Label Label Location 1.

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 Http://www.sz-ctc.org.cn Page 1 of 5 Internal Photographs Page 2 of 5 Antenna Page 3 of 5 Page 4 of 5 Page 5 of 5

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.com.cn CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : http://yz.cnca.cn RF Exposure Evaluation FCC ID: 2A482-U2-PRO According to KDB447498 D01 General RF Exposure Guidance v06, Clause 4.3.1(a) EUT Specification EUT Baseus Neckband Noise-Cancellation Wireless Earphones Model/Type reference: Baseus Bowie U2 Pro Listed Model(s): / Frequency band (Operating) BT: 2.402GHz ~ 2.480GHz BLE: 2.402GHz ~ 2.480GHz WLAN: 2.412GHz ~ 2.462GHz Others ___ Device category Portable (<5mm separation) Mobile (>20cm separation) Fixed (>20cm separation) Others ___ Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna gain (Max) 1.0dBi Limit For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f (GHz) ] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR Where -f (GHz) is the RF channel transmit frequency in GHz -Power and distance are rounded to the nearest mW and mm before calculation -The result is rounded to one decimal place for comparison -The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. Page 2 of 2 Report No.: CTC20221226E05 CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : http://yz.cnca.cn Measurement Result Mode Channel Frequency (MHz) Max. Measured Power (dBm) Max. Tune up Power (dBm) Result Limit π/4-DQPSK 2441 -0.51 0 0.31 3.0 Note: 1. Calculate by Worst-case mode. 2. Max. Tune Up Power by Manufacturer's Declaration, and Max. Tune Up Power is used to calculate. 3. For a more detailed features description, please refer to the RF Test Report. **********************THE END**********************

CTC Laboratories, Inc. $CNAS$ 2/F., Building 1 and 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Longhua District, Shenzhen, Guangdong, China Tel : +86-0755-27521059 Fax: +86-0755-27521011 http://www.sz-ctc.org.cn TEST REPORT Report No. ··························: CTC20221226E04 FCC ID.................................: 2A482-U2-PRO Applicant····························: Shenzhen Baseus Technology Co., Ltd. Address·······························: 2th Floor, Building B, Baseus Intelligence Park, No.2008, Xue- gang Rd, Gangtou Community, Bantian Street, Longgang Dis- trict, Shenzhen China Manufacturer························: Shenzhen Baseus Technology Co., Ltd. Address·······························: 2th Floor, Building B, Baseus Intelligence Park, No.2008, Xue- gang Rd, Gangtou Community, Bantian Street, Longgang Dis- trict, Shenzhen China Product Name······················: Baseus Neckband Noise-Cancellation Wireless Earphones Trade Mark···························: Baseus Model/Type reference·············: Baseus Bowie U2 Pro Listed Model(s) ·····················: / Standard·····························: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of receipt of test sample...: Jun. 14, 2022 Date of testing.......................: Jun. 14, 2022 to Jun. 27, 2022 Date of issue.........................: Jun. 27, 2022 Result.................................: PASS Compiled by: (Printed name+signature) Jim Jiang Supervised by: (Printed name+signature) Miller Ma Approved by: (Printed name+signature) Totti Zhao $英文检测章$ $Totti$ This test report may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by CTC. The test results in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. Any objections must be raised to CTC within 15 days since the date when the report is received. It will not be taken into consideration beyond this limit. The test report merely correspond to the test sample. Page 2 of 62 Report No.: CTC20221226E04 CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Ac- creditation Administration of the People’s Republic of China : yz.cnca.cn Table of Contents Page 1. TEST SUMMARY ....................................................................................................................................................... 3 1.1. TEST STANDARDS .......................................................................................................................................................... 3 1.2. REPORT VERSION ......................................................................................................................................................... 3 1.3. TEST DESCRIPTION ........................................................................................................................................................ 3 1.4. TEST FACILITY .............................................................................................................................................................. 4 1.5. MEASUREMENT UNCERTAINTY ........................................................................................................................................ 4 1.6. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 5 2. GENERAL INFORMATION .......................................................................................................................................... 6 2.1. CLIENT INFORMATION ................................................................................................................................................... 6 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3. ACCESSORY EQUIPMENT INFORMATION ............................................................................................................................ 7 2.4. OPERATION STATE ........................................................................................................................................................ 8 2.5. MEASUREMENT INSTRUMENTS LIST ................................................................................................................................. 9 3. TEST ITEM AND RESULTS ........................................................................................................................................ 11 3.1. CONDUCTED EMISSION ................................................................................................................................................ 11 3.2. RADIATED EMISSION ................................................................................................................................................... 14 3.3. BAND EDGE EMISSIONS (RADIATED) .............................................................................................................................. 25 3.4. BAND EDGE AND SPURIOUS EMISSIONS (CONDUCTED) ...................................................................................................... 34 3.5. BANDWIDTH .............................................................................................................................................................. 45 3.6. CHANNEL SEPARATION................................................................................................................................…

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CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 Http://www.sz-ctc.org.cn Page 1 of 2 Radiated Measurements 30-1000MHz Above 1GHz Page 2 of 2 Conducted Measurements