WSG-O3Open Ear Headset

Open Ear Headset User Manual Product Specifications * Some parameters may vary depending on the environment and the music played. How to Wear For good sound quality, the best possible noise cancellation and the best possible wearing comfort, the microphone boom can be adjusted to properly fit your head. 1. Rotate the microphone boom to the front of the ear wings, hold the speakers on both sides of the earphones, wear the ear wings on your ears, and at the same time put the speakers back into the ear sockets easily (As shown in figure ①). 2. Move the flexible microphone boom up or down until it is level with your mouth for better voice capture. 3. Boom can be tucked out of the way when not being used or during exercise (As shown in fi gure ②). How to Use A. Bluetooth Pairing and Connection 1. In off status, long press the MFB for 2 seconds, with Blue & Red LED flash alternately. You will hear the voice guidance say "Pairing". 2. Search and click to connect “O3” on your device Bluetooth lists, the LED changes to Blue slow flash after connected,you will hear the voice guidance say “Connected" at the same time. Now you can play music from device to headset. B. Pair with a computer via Bluetooth 1. On your device, press and hold the MFB button of O3 for 2 seconds to enter pairing mode, with the prompt sound “Power On”, making it discoverable by the computer. Check that the indicator flashes blue and red alternately. You will hear the voice guidance say "Pairing". 2. On your PC, select Start > Settings > Bluetooth & other devices >Add Bluetooth or other device > Bluetooth > Click on the model number [O3 ] of your device. A window will pop up indicating the Bluetooth connection is complete. You will hear“Connected" at the same time. If your computer asks for a Bluetooth driver, contact your computer manufacturer. The microphone and the speaker of the headset may be disabled or not set as the default device on your computer. 1. Right-click the Speakers icon at the bottom right, then click Open Sound settings. 2. Select [O3] as your output device (Speaker). 3. Select [O3] as your input device (Microphone). 4. Make sure that [O3] has been selected as both the output and input device, then close Settings. C. Dual Connection 1. Follow the above bluetooth pairing and connection guide to connect the headset to the first device, then switch off the Bluetooth function of the first device. 2. The headset enters the pairing state again with Red & Blue LED flash alternately. 3. Search and click to connect “O3” on the Bluetooth list of the second device. The headset LED will change to Blue and flash slowly after connected. 4. Switch on the Bluetooth function of the first device and click “O3” to reconnect the first device. Now the headset is connected to two devices. D. Reconnect 1. The headset has matching records. 2. In off status, long press MFB for 2 seconds to start up, with Blue Led flickers 3 times, the headset will search and reconnect the final paired device automatically,other devices need to be connected manually. E. Over-distance Disconnect 1. When your Bluetooth headset exceeds the effective distance of your connected device (usually straight-line distance without obstacles is 49ft/15m), the Bluetooth headset will prompt “Disconnected ”. 2. When you're back in range within 30 minutes, your headset connects to your last device and prompt “Connected”. F. Initializing the headset to restore factory settings If the headset does not operate correctly even after troubleshooting, initialize the headset. 1. Delete the Bluetooth device information of the headset from your device. 2. Power on your headset.Press and hold the "volume +" and the"volume -" button simultaneously for at least 5 seconds. 3. The initialization is complete when the light indicator (purple) flashes once. 4. When the device cannot search for bluetooth, shut down the bluetooth and restart the search. Pair the headset with your device again. Operation Instructions Charging Method Please charge the O3 at once when the Red LED flashes or prompts that the battery is low. 1. Place one end of the provided magnetic induction charging cable against the charging contact of the headset, and when you hear a"click" sound, they will be attached together. Plug the USB end of the cable into the charger or PC interface. 2. After successful connection, the charging indicator light will be solid red. When it is fully charged, the indicator light will turn from red to blue. The charging time takes about 2 hours. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that m…

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SKY WING Communication Electronics Co., Ltd No.62, 10 Rd, Longyan, Humen Town, Dongguan City, Guangdong Province, China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 20, 2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: WSG-O3 Product Name: Open Ear Headset Model Name: O3, LE-HS017, O1, O1B, O2, SF-O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW [SKY WING Communication Electronics Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) Name: Tony Liu Title: General Manager

SKY WING Communication Electronics Co., Ltd No.62, 10 Rd, Longyan, Humen Town, Dongguan City, Guangdong Province, China Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 20, 2023 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: WSG-O3 Product Name: Open Ear Headset Model Name: O3, LE-HS017, O1, O1B, O2, SF-O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW [SKY WING Communication Electronics Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) Name: Tony Liu Title: General Manager

[SKYWINGCommunicationElectronicsCo.,Ltd] [No.62,10Rd,Longyan,HumenTown] [DongguanCity,GuangdongProvince] [China] Date:Nov.20,2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 FCCID:WSG-O3 USAgent–AttestationStatement/Part2.911(d)(7) [SKYWINGCommunicationElectronicsCo.,Ltd]certifies,thatasof[Nov.20,2023],wehave designatedFCCUSAgent,LLCtoacceptserviceofprocessonourbehalfforFCCID:WSG-O3. [SKYWINGCommunicationElectronicsCo.,Ltd],acceptstomaintainanagentofserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater. FCCUSAgent,LLC,acceptsasofthedateofthefilingofthisapplication,theobligationofbeing thedesignatedagentforthepurposeofacceptingserviceofprocessonbehalfof[SKYWING CommunicationElectronicsCo.,Ltd]forFCCID:WSG-O3. DesignatedAgentInformation: CompanyName:FCCUSAgent,LLC FRN:0033402884 Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA ContactPerson:TimPayne Phone:708-571-3148 Email:[email protected] Sincerely, Company:[SKYWINGCommunication ElectronicsCo.,Ltd] FRN:0034489997 DesignatedAgent:FCCUSAgent,LLC CompanyRepresentative:[TonyLiu] Tel:86-769-85239948 Email:[email protected] DesignatedAgentRepresentative:TimPayne Signature:TonyLiu Signature:

SKY WING Communication Electronics Co., Ltd No.62, 10 Rd, Longyan, Humen Town, Dongguan City, Guangdong Province, China Agent Authorization Company: SKY WING Communication Electronics Co., Ltd Address: No.62, 10 Rd, Longyan, Humen Town, Dongguan City, Guangdong Province, China Product Name: Open Ear Headset Model Number(s): O3, LE-HS017, O1, O1B, O2, SF-O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW Product Description: Open Ear Headset We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Nov. 20, 2023 Name: Tony Liu Title: General Manager Company: SKY WING Communication Electronics Co., Ltd

SKY WING Communication Electronics Co., Ltd No.62, 10 Rd, Longyan, Humen Town, Dongguan City, Guangdong Province, China Nov. 20, 2023 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID: WSG-O3 Models: O3, LE-HS017, O1, O1B, O2, SF-O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW To Whom It May Concern: We, The SKY WING Communication Electronics Co., Ltd hereby declare that the model : O3 is identical with the model : LE-HS017, O1, O1B, O2, SF- O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW except the model name. Except for the different above, no other modification is performed. Sincerely, SKY WING Communication Electronics Co., Ltd Signature: [Tony Liu, General Manager]

Report No.: AGC00213231101AP03 Page 1 of 4 EXTERNAL PHOTOS WHOLE VIEW OF EUT TOP VIEW OF EUT Report No.: AGC00213231101AP03 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC00213231101AP03 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC00213231101AP03 Page 4 of 4 RIGHT VIEW OF EUT ****************************************End of Report*************************************

FCC ID Label Location 10mm*20mm FCC ID: WSG-O3

Report No.: AGC00213231101AP03 Page 1 of 6 INTERNAL PHOTOS VIEW OF EUT(PORT) OPEN VIEW OF EUT Report No.: AGC00213231101AP03 Page 2 of 6 VIEW OF BATTERY INTERNAL VIEW OF EUT (FIGURE 1) BT Antenna Report No.: AGC00213231101AP03 Page 3 of 6 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) Report No.: AGC00213231101AP03 Page 4 of 6 INTERNAL VIEW OF EUT (FIGURE 4) INTERNAL VIEW OF EUT (FIGURE 5) Report No.: AGC00213231101AP03 Page 5 of 6 INTERNAL VIEW OF EUT (FIGURE 6) INTERNAL VIEW OF EUT (FIGURE 7) Report No.: AGC00213231101AP03 Page 6 of 6 INTERNAL VIEW OF EUT (FIGURE 8) INTERNAL VIEW OF EUT (FIGURE 9) ****************************************End of Report*************************************

Antenna Test Report Customer天翼 ProjectM11 Antenna RevisionA0 Prepared by15993920520 Checked by17279710721 Date2023.11.15 Shenzhen Helixun Technology Co., Ltd This report is to measure the performance of antenna for M11 The antenna operating frequency at 2400-2500MHz, All test data are showed as below. Content 1.Test system 2.Product Overview Dimension 3.Test Result 3.1 S11 Parameter 3.2 Gain & Efficienc 3.3 2D Pattern 4.OTA Purpose Shenzhen Helixun Technology Co., Ltd Sequence Number Test Item equipment S parameter VSWR Agilent 5071C & Agilent 5071B OTA TestTRP&TIS Agilent8960 & CMW500 STIMO Gain & Efficiency Gain & Efficiency SATIMO Agilent 5071C 1.TestSystem Shenzhen Helixun Technology Co., Ltd 2.Product Overview & Dimension Shenzhen Helixun Technology Co., Ltd 3.TestResult 3.1 S11 Parameter-VSWR Frequency (MHz) 2400245024802500 VSWR1.871.561.942.25 Shenzhen Helixun Technology Co., Ltd 3. TestResult 3.1 S11 Parameter-Log Mag Frequency (MHz) 2400245024802500 Log Mag-10.31-13.18-9.87-8.29 Shenzhen Helixun Technology Co., Ltd 3.TestResult 3.1 S11 Parameter-Smi th Frequency (MHz) 2400245024802500 Smi th(Ω)35.7854.6658.9554.28 Shenzhen Helixun Technology Co., Ltd 3.Test Result 3.2 Gain & Efficiency——ANT Frequency (MHz)Efficiency (%)Max GAIN (dBi) 240024.24 -0.50 241024.41 -0.22 242025.96 -0.03 243025.04 0.02 244026.83 -0.22 245027.81 -0.11 246027.32 0.12 247026.89 -0.22 248026.81 0.15 249025.91 0.05 250024.51 0.08 Shenzhen Helixun Technology Co., Ltd 3.TestResult 3.3 2D Pattern——BT ANT Shenzhen Helixun Technology Co., Ltd 3.TestResult 3.3 2D Pattern——BT ANT Shenzhen Helixun Technology Co., Ltd 3.TestResult 3.3 2D Pattern——BT ANT Shenzhen Helixun Technology Co., Ltd 4.OTA Data Test Equipment：R&S CMW500 Test Condition：3D chamber BandChannelTRP(dBm)TIS(dBm) BT 0 0.16-80.46 39 -0.94-80.09 78 -1.53-80.53 Shenzhen Helixun Technology Co., Ltd 3.TestResult-TRP Shenzhen Helixun Technology Co., Ltd 3.TestResult-TIS Shenzhen Helixun Technology Co., Ltd Shenzhen Helixun Technology Co., Ltd Shenzhen Helixun Technology Co., Ltd Shenzhen Helixun Technology Co., Ltd Shenzhen Helixun Technology Co., Ltd

Page 1 of 74 FCC Test Report Report No.: AGC00213231101FR01 FCC ID : WSG-O3 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Open Ear Headset BRAND NAME : LEVN MODEL NAME : O3, LE-HS017, O1, O1B, O2, SF-O2W, SK-O2, OW20, OW20B, OHP-A01, IJKP-HM-01-SW APPLICANT : SKY WING Communication Electronics Co., Ltd DATE OF ISSUE : Nov. 20, 2023 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC00213231101FR01 Page 2 of 74 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Nov. 20, 2023 Valid Initial Release Report No.: AGC00213231101FR01 Page 3 of 74 Table of Contents 1. General Information ........................................................................................................................................ 5 2. Product Information ........................................................................................................................................ 6 2.1 Product Technical Description ................................................................................................................... 6 2.2 Test Frequency List ................................................................................................................................... 6 2.3 Related Submittal(S) / Grant (S) ............................................................................................................... 7 2.4 Test Methodology ...................................................................................................................................... 7 2.5 Receiver Input Bandwidth ......................................................................................................................... 7 2.6 Equally Average Use of Frequencies And Behaviour ............................................................................... 7 2.7 Pseudorandom Frequency Hopping Sequence ........................................................................................ 8 2.8 Special Accessories .................................................................................................................................. 9 2.9 Equipment Modifications ........................................................................................................................... 9 2.10 Antenna Requirement ............................................................................................................................. 9 3. Test Environment .......................................................................................................................................... 10 3.1 Address of The Test Laboratory .............................................................................................................. 10 3.2 Test Facility .............................................................................................................................................. 10 3.3 Environmental Conditions ....................................................................................................................... 11 3.4 Measurement Uncertainty ....................................................................................................................... 11 3.5 List of Equipment Used ........................................................................................................................... 12 4.System Test Configuration ............................................................................................................................ 14 4.1 EUT Configuration ................................................................................................................................... 14 4.2 EUT Exercise ........................................................................................................................................... 14 4.3 Configuration of Tested System .............................................................................................................. 14 4.4 Equipment Used in Tested System ......................................................................................................... 14 4.5 Summary of Test Results ........................................................................................................................ 15 5. Description of Test Modes ........................................................................................................................... 16 6. RF Output Power Measurement .................................................................................................................. 17 6.1 Provisions Applicable .............................................................................................................................. 17 6.2 Measurement Procedure ......................................................................................................................... 17 6.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 17 6.4 Measurement Result ............................................................................................................................... 18 7. 20dB Bandwidth and 99% Occupied Bandwidth Measurement ............................................................... 24 7.1 Provisions Applicable .............................................................................................................................. 24 7.2 Measurement Procedure ......................................................................................................................... 24 7.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 24 7.4 Measurement Results ............................................................................................................................. 25 8. C…

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Report No.: AGC00213231101AP02 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC00213231101AP02 Page 2 of 2 RF CONDUCTED TEST SETUP ****************************************End of Report*************************************