2BH8N-HJWK1000KTV Earphone

PMN：KTV Earphone Models No./HVIN：HJWK1000 ADJUSTTHE HEADPHONES Before placing the headphones on your head, adjust the position of the earcups on the headband to ensure proper fit. 1. With the outer earcup facing toward you, firmly grip the side of the headband. 2. With your other hand, grip the earcup. Movethe earcup up or down to move the grip bar and adjust the position. 3 . Repeat steps 1-2 for the other earcup. BUTTON ORIENTATION The inner scrims (clothcovers) of the headphone earcups are marked with anL(left earcup) andR(right earcup). There are six buttons on the right earcup. Match the right earcup withyour right ear and the left earcup with your leftear. Place the headphones on your head with the buttons facing behind you. Once the headphones are on your head, use your thumbs to press the buttons. POWER Change the volume Press + (2) to increase the volume. Press – (4) to decrease the volume. Powering On Your Headphones 1. Press and hold the power button (①) for 3 seconds. 2. When the blue light illuminates, you will hear "Bluetooth Mode" after approximately5 seconds, indicating the device is powered on. 3. Enable Bluetooth on your phone or tablet. 4. Search for "HJWK1000" and select it to pair. 5. Uponhearing "Connected," your Bluetooth connection is complete. Music Mode 1. Adjust the music volume using buttons (②) or (④) on the headphones. 2. Double-press the button (③) to reduce vocals by 70%. 3. Press button (③) once to return to normal music mode. KTV Mode 1. Switch the headphones to KTV mode (⑦). 2. Turn on the wireless microphone power switch; it will automaticallyconnect to the headphones. 3. Adjust the microphone volume using buttons (②) or (④) on the headphones. 4. Press button (③) to switch through three echo levels (None/Low/High). Solo Singing Instructions 1. Power on the headphones and switch to KTV mode (⑦). 2. Connect your phone or tablet to the headphones via Bluetooth. 3. Play songs from singing apps or YouTube on your phone/tablet. 4. Turn on the wireless microphone to start singing. 5. Optionallyenable vocal reductionfor a more immersive karaoke experience. Dual-UserSinging Instructions 1. Turn on both headphones. Place one headphone close to the other and double-press the power button (⑨). The TWSconnection will completein about 10 seconds. 2. Connect your phone/tablet to one of the headphones via Bluetooth. 3. Followthe solo singing instructions. 4. Both users can now hear the music and the sound from both microphones for asynchronized karaoke session. AUTO-OFF If the headphones remain idle and disconnected from Bluetooth for more than 15 minutes, they will automatically power off. Once the TWS connection is established, turning off the power on one headphone will also turn off the other. Note If the microphone cannot connect to the headphones, follow these steps to resolve: 1. Turn off the headphone power and switch to KTV mode (⑦). 2. Turn the microphone power off and on again. 3. Press and hold the microphone power button (a) for about 15 seconds untilthe microphone screen light flashes, then release the power button. 4. Turn on the headphones you wish to pair. Press and hold the power button(1) for about 2 seconds) and place them close to the microphone. 5. Press the microphone power button(a) once to completepairing. 6. Repeat the steps to pair the second microphone. Adjusting Microphone Frequency If both microphones are on the same channel (CHA or CHB), they will interferewitheachother.Ensureone microphone is set to CHA and the other to CHB: 1. Turn on the microphone power, then press and hold the two channel buttons(J+D) simultaneously to switch between CHA/CHB. Fine-tuning the frequency: 1. Turn on the microphone power, then press and hold the frequency adjustmentbutton(i). 2. CHA frequency range: 730MHz ~ 739MHz cycle. 3. CHB frequency range: 740MHz ~ 749MHz cycle. Warm Tips For karaoke sessions, switch the headphones to KTV mode(⑦) to ensure proper microphone operation. When listening to music without singing, switch the headphones to Music Mode (⑧) to save battery life. CHARGE THEHEADPHONES 1. Connect the small end of the USB-C cable into the USB-C® port on the right earcup. 2. Connect the other end into a USB-A wall charger or computer that is poweredon. While charging, the battery light blinks Red. When the battery is fully charged, the battery light glows Green (see page 41). NOTE:The headphones do not play audio or cancel noise while charging. BATTERY Charging time Allow up to 2.5 hours to fully charge the headphones. NOTES: A full charge powers the headphones for up to 20 hours. HEAR THE BATTERYLEVEL Each time you power on the headphones, a voice prompt announces the batterylevel. When you’re using the headphones and the battery is low, you hear “Low battery, please charge.” BatterylevelVoice prompt 100%- 65%High battery 65-36%Medium battery Under 35%Low battery HEADPHONE STATUS BLUETOOTHLIGHT & BATTERY LIGHT The Bluetoothlight is located on the right earcup and shows the connection status of a mobile device. FCCStatement 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 outle…

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FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT

FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Appendix I Label Appendix II Label Location FCC ID: 2BH8N-HJWK1000 Model: HJWK1000

FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 7 Internal of EUT Photo 8 Appearance of PCB PCB Antenna FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Photo 9 Appearance of PCB Photo 10 Battery Appearance

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202403-0335-6 Page: 1 of 3 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Maximum Permissible Exposure Evaluation FCC ID: 2BH8N-HJWK1000 1. General Information about EUT 1.1 Client Information Applicant : Dongguan Jieqiang Computer Co., Ltd Address : Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province，China Manufacturer : Dongguan Jieqiang Computer Co., Ltd Address : Room 1422, No. 605, Tangxia Section, Dongshen Road, Tangxia Town, Dongguan City, Guangdong Province，China 1.2 General Description of EUT (Equipment Under Test) EUT Name : KTV Earphone Models No. : HJWK1000, HJWK1000-A, HJWK1000-B, HJWK1000-C, HJWK1000-D, HJWK1000-E, HJWK1000-F, HJWK1000-G，JUDIO- A, JUDIO-B, JUDIO-C, JUDIO-D, JUDIO-E,J UDIO-F, JUDIO-G Model Different : All these models are identical in the same PCB, layout and electrical circuit, The only difference is model name, brand name and product name. Brand Name : JUDIO Sample ID : HC-C-202403-0335-01-01 Product Description : Operation Frequency: Bluetooth: 2402MHz~2480MHz Antenna Gain: 1.7dBi PCB Antenna Power Rating : USB Input:5V DC 3.7V 800mAh Rechargeable Li-ion battery Software Version : N/A Hardware Version : N/A Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202403-0335-6 Page: 2 of 3 TB-RF-074-1.0 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√ f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√ f (GHz) ] ≤7.5.0 for 10-g SAR 2. Summary simultaneous transmission for SAR Exclusion The SAR exemption limits outlined in clause 4.3.2(b) of KDB 447498 have been derived based on an approximate SAR value of 0.4 W/kg using half-wave dipole antennas Footnote 1. As such, when simultaneous transmitter SAR evaluations include transmitters that have been exempt from routine SAR evaluation, the SAR must be estimating based on the ratio between the maximum tune-up tolerance limit of the transmitter that has been exempt and the exemption limit at the specific distance and frequency for that transmitter. This ratio must be multiplied by 0.4 W/kg (2.0 W/kg for controlled use and 1.0 W/kg for limb worn devices) in order to calculate the estimated SAR level. The estimate SAR value is calculated based the following equation: (maximum power level including tune-up tolerance for transmitter A / maximum power level of exemption at the same frequency and distance) * 0.4W/kg The [∑ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for maximum tune-up tolerance) / 1.6 W/kg] + [∑ of MPE ratios] is ≤ 1.0. The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable device exposure conditions are all ≤ 0.04, and the [∑ of MPE ratios] is ≤ 1.0. Report No.: TBR-C-202403-0335-6 Page: 3 of 3 TB-RF-074-1.0 3. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2402 1.183 1±1 2 1.585 0.491 3.0 2441 0.205 0±1 1 1.259 0.393 3.0 2480 -0.779 0±1 1 1.259 0.397 3.0 Bluetooth Mode (π/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2402 3.679 3±1 4 2.512 0.779 3.0 2441 2.622 2±1 3 1.995 0.623 3.0 2480 1.572 1±1 2 1.585 0.499 3.0 Bluetooth Mode (8-DPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dbm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2402 3.206 3±1 4 2.512 0.779 3.0 2441 3.442 3±1 4 2.512 0.779 3.0 2480 2.415 3±1 4 2.512 0.779 3.0 Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06. -----END OF REPORT-----

Productspecification QuickReferenceDate Antennamoduleonthesystemboard AntennatypePCB Frequency2.45GHz*1 Ant.PortInputPwr.(dBm)0(Typ.BTclass2outputpower) Tot.Rad.Pwr.(dBm)-2.3(Inputpwr–losspwr) PeakEIRP(dBm) 1.3 Directivity(dBi) 1(alldirectionantenna) Efficiency(dB)-2.3(58.5%) Gain(dBi)1.7(PeakGainXY-plane) MaximumPower(dBm)1.3(XY-plane) MinimumPower(dBm)-4(XY-plane) Avg.Power(dBm)-0.5(XY-plane) Max/MinRatio(dB)5.3(XY-plane) Max/AvgRatio(dB)1.8(XY-plane) Min/AvgRatio(dB)-3.5(XY-plane) AverageGain(dB)-0.5(AvgGainXY-plane) Allthetechnicaldataandinformationcontainedhereinaresubjecttochangewithoutpriornotice AntennaLayout&moduleonthesystemboard AntennaGain UnitindBi @2.44GHz XY-planeXZ-planeYZ-plane Efficiency · Peak Avg. Peak Avg. Peak Avg. ModuleBoard 1.3-0.51.7-3.81.1-3.058.5% ReturnLoss TheEnvironmentofAntennaRadiationPattern 3Dradiationpatterndiagram Far-fieldpowerDistribution(H+V)onY-XPlaneFar-fieldpowerDistribution(H+V)onX-ZPlaneFar-fieldpowerDistribution(H+V)onY-ZPlane PlotpeakGain(H+V)=135dbi;plotAvgGain(H+V)[email protected](H+V)=1.68dbi;plotAvgGain(H+V)[email protected](H+V)=1.11dBi;plotAvgGain(H+V)[email protected] XY-planeXZ-planeYZ-plane

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 1 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 RF Test Data for Bluetooth (Conducted Measurements) General Description of EUT Product Name: KTV Earphone Test Model: HJWK1000 Sample ID: HC-C-202403-0335-02-01 Environmental Conditions Temperature: 24.6°C Relative Humidity: 52.6% Test Voltage: DC 3.7V Test Engineer: MikeYan Note: For a more detailed features description, please refer to the report TBR-C-202403-0335-8 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 2 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Contents 1. Duty Cycle ........................................................................................................................................................................................... 3 2. Maximum Conducted Output Power ................................................................................................................................................. 9 3. -20dB Bandwidth .............................................................................................................................................................................. 15 4. Occupied Channel Bandwidth ......................................................................................................................................................... 21 5. Band Edge ........................................................................................................................................................................................ 27 6. Band Edge(Hopping) ........................................................................................................................................................................ 34 7. Conducted RF Spurious Emission .................................................................................................................................................. 41 8. Restrict Band .................................................................................................................................................................................... 51 9. Carrier Frequencies Separation....................................................................................................................................................... 58 10. Number of Hopping Channel ......................................................................................................................................................... 61 11. Dwell Time ....................................................................................................................................................................................... 64 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 3 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 1. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT 1-DH1 2402 Ant1 32 4.95 2.5 NVNT 1-DH1 2441 Ant1 32 4.95 2.5 NVNT 1-DH1 2480 Ant1 32 4.95 2.5 NVNT 2-DH1 2402 Ant1 32.8 4.84 2.44 NVNT 2-DH1 2441 Ant1 32.8 4.84 2.44 NVNT 2-DH1 2480 Ant1 32.8 4.84 2.44 NVNT 3-DH1 2402 Ant1 32.8 4.84 2.44 NVNT 3-DH1 2441 Ant1 32.8 4.84 2.44 NVNT 3-DH1 2480 Ant1 32.8 4.84 2.44 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 4 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Test Graphs Duty Cycle NVNT 1-DH1 2402MHz Ant1 Duty Cycle NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 5 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Duty Cycle NVNT 1-DH1 2480MHz Ant1 Duty Cycle NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 6 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Duty Cycle NVNT 2-DH1 2441MHz Ant1 Duty Cycle NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 7 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Duty Cycle NVNT 3-DH1 2402MHz Ant1 Duty Cycle NVNT 3-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 8 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Duty Cycle NVNT 3-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202403-0335-8 Page: 9 of 69 FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 2. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Total Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 1.183 21 Pass NVNT 1-DH1 2441 Ant1 0.205 21 Pass NVNT 1-DH1 2480 Ant1 -0.779 21 Pass NVNT 2-DH1 2402 Ant1 3.679 21 Pass NVNT 2-DH1 2441 Ant1 2.622 21 Pass NVNT 2-DH1 2480 Ant1 1.572 21 Pass NVNT 3-DH1 2402 Ant1 3.206 21 Pass NVNT 3-DH1 2441 Ant1 3.442 21 Pass NVNT 3-DH1 2480 Ant1 2.415 21 …

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202403-0335-8 Page: 1 of 44 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Radio Test Report FCC ID: 2BH8N-HJWK1000 Report No. : TBR-C-202403-0335-8 Applicant : Dongguan Jieqiang Computer Co., Ltd Equipment Under Test (EUT) EUT Name : KTV Earphone Model No. : HJWK1000 Series Model No. : HJWK1000-A, HJWK1000-B, HJWK1000-C, HJWK1000-D, HJWK1000-E, HJWK1000-F, HJWK1000-G，JUDIO-A, JUDIO-B, JUDIO-C, JUDIO-D, JUDIO-E,J UDIO-F, JUDIO-G Brand Name : JUDIO Sample ID : HC-C-202403-0335-01-01&HC-C-202403-0335-02-01 Receipt Date : 2024-08-09 Test Date : 2024-08-09 to 2024-08-16 Issue Date : 2024-08-16 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Mike Yan Reviewed By : Henryhuang Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202403-0335-8 Page: 2 of 44 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................ 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................ 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode ................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 8 1.8 Test Facility........................................................................................................................... 9 2. TEST SUMMARY..................................................................................................................... 10 3. TEST SOFTWARE .................................................................................................................. 10 4. TEST EQUIPMENT AND TEST SITE .................................................................................. 11 5. CONDUCTED EMISSION ...................................................................................................... 13 5.1 Test Standard and Limit ................................................................................................... 13 5.2 Test Setup........................................................................................................................... 13 5.3 Test Procedure .................................................................................................................. 13 5.4 Deviation From Test Standard......................................................................................... 13 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data............................................................................................................................. 14 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 15 6.1 Test Standard and Limit ................................................................................................... 15 6.2 Test Setup........................................................................................................................... 16 6.3 Test Procedure .................................................................................................................. 17 6.4 Deviation From Test Standard......................................................................................... 18 6.5 EUT Operating Mode ........................................................................................................ 18 6.6 Test Data............................................................................................................................. 18 7. RESTRICTED BANDS AND BAND EDGE REQUIREMENT .......................................... 19 7.1 Test Standard and Limit ................................................................................................... 19 7.2 Test Setup........................................................................................................................... 19 7.3 Test Procedure .................................................................................................................. 20 7.4 Deviation From Test Standard......................................................................................... 20 7.5 EUT Operating Mode ........................................................................................................ 20 7.6 Test Data............................................................................................................................. 20 8. 99% OCCUPIED AND 20DB BANDWIDTH ....................................................................... 21 8.1 Test Standard and Limit .............................................…

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FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Appendix V EUT Test Photographs Photo of Setup for Conducted Emission(AC POWER) Photo of Setup for Radiated Emission (30MHz~1GHz) FCC ID: 2BH8N-HJWK1000 TB-RF-074-1.0 Photo of Setup for Radiated Emission (Above 1 GHz) -----END OF REPORT-----