2A35V-MI04wireless headphone

FCC Warning 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 may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

FCC ID:2A35V-MI04 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID:2A35V-MI04 TB-RF-074-1.0 Photo 3 Appearance of EUT

FCC ID:2A35V-MI04 TB-RF-074-1.0 AppendixIFCC ID Label Size for the label: 15mm X15mm FCC ID: 2A35V-MI04 Model: MI04 FCC ID:2A35V-MI04 TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION

FCC ID:2A35V-MI04 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 4 Internal of EUT Photo 5 Appearance of PCB Antenna FCC ID:2A35V-MI04 TB-RF-074-1.0 Photo 6 Appearance of PCB Photo 7 Appearance of Battery

version01 Shenzhenshi Hantai Keji Youxian Gongsi Declaration concerning Antenna Specification It is hereby declared that the product Model No.: MI04 FCC ID: 2A35V-MI04 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for Ceramic antenna type(s) described below: Model No. of antenna: N/A Type of antenna: Ceramic Antenna Gain of the antenna: 1.24 dBi Frequency range: 2402-2480 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Shenzhenshi Hantai Keji Youxian Gongsi Address: Baoanqu Xixiangjiedao Gushushequ, Ruishangju 1dongA.Bzuo Bzuo 906, Shen zhen shi, Guang dong sheng, 518000 City: ShenZhen ZIP / Postal code: Country: China Place: Peter Guo Date: 2022-01-17 Signature:

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE185930 Page: 1 of 3 TB-RF-074-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2A35V-MI04 1. Client Information Applicant : Shenzhenshi Hantai Keji Youxian Gongsi Address : Baoanqu Xixiangjiedao Gushushequ Ruishangju 1dong A.Bzuo Bzuo 906 Shen zhen shi Guang dong sheng 518000 Manufacturer : Shenzhenshi Hantai Keji Youxian Gongsi Address Baoanqu Xixiangjiedao Gushushequ Ruishangju 1dong A.Bzuo Bzuo 906 Shen zhen shi Guang dong sheng 518000 2. General Description of EUT EUT Name : wireless headphone Model(s) : MI04 Model Different : ---- Brand Name : Mipeace, Hearprotek Product Description : Operation Frequency: Bluetooth V5.0(BT): 2402~2480 MHz Number of Channel: Bluetooth: 79 Channels Max Peak Output Power: Bluetooth: -2.203 dBm Antenna Gain: 1.24dBi Ceramic Antenna Modulation Type: GFSK π/4-DQPSK 8-DPSK Power Supply : Input: DC 5V DC 3.7V by 220mAh Li-ion battery Software Version : 5.0 Hardware Version : N/A Remark: The antenna gain and adapter provided by the applicant, the adapter and verified for the RF conduction test provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TB-MPE185930 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 Report No.: TB-MPE185930 Page: 3 of 3 TB-RF-074-1.0 2. 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 2.402 -4.65 -4±1 -3 0.501 0.155 3.0 2.441 -5.755 -5±1 -4 0.398 0.124 3.0 2.480 -5.972 -5±1 -4 0.398 0.125 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 2.402 -2.436 -2±1 -1 0.794 0.246 3.0 2.441 -3.414 -3±1 -2 0.631 0.197 3.0 2.480 -3.712 -3±1 -2 0.631 0.199 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 2.402 -2.203 -2±1 -1 0.794 0.246 3.0 2.441 -3.288 -3±1 -2 0.631 0.197 3.0 2.480 -3.253 -3±1 -2 0.631 0.199 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-----

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.: TB-RF185929 Page: 1 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 RF Test Data for Bluetooth(BDR+EDR) (Conducted Measurements) General Description of EUT Product Name: wireless headphone Test Model: MI04 Sample ID: 20211229-07-2# Environmental Conditions Temperature: 24°C Relative Humidity: 50% Test Voltage: DC3.7V Test Engineer: Hejingchang Note: For a more detailed features description, please refer to the report TB-RF185929 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.: TB-RF185929 Page: 2 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 -4.65 0 -4.65 21 Pass NVNT 1-DH1 2441 Ant1 -5.755 0 -5.755 21 Pass NVNT 1-DH1 2480 Ant1 -5.972 0 -5.972 21 Pass NVNT 2-DH1 2402 Ant1 -2.436 0 -2.436 21 Pass NVNT 2-DH1 2441 Ant1 -3.414 0 -3.414 21 Pass NVNT 2-DH1 2480 Ant1 -3.712 0 -3.712 21 Pass NVNT 3-DH1 2402 Ant1 -2.203 0 -2.203 21 Pass NVNT 3-DH1 2441 Ant1 -3.288 0 -3.288 21 Pass NVNT 3-DH1 2480 Ant1 -3.253 0 -3.253 21 Pass 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.: TB-RF185929 Page: 3 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Test Graphs Power NVNT 1-DH1 2402MHz Ant1 Power 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.: TB-RF185929 Page: 4 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Power NVNT 1-DH1 2480MHz Ant1 Power 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.: TB-RF185929 Page: 5 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Power NVNT 2-DH1 2441MHz Ant1 Power 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.: TB-RF185929 Page: 6 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Power NVNT 3-DH1 2402MHz Ant1 Power 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.: TB-RF185929 Page: 7 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Power 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.: TB-RF185929 Page: 8 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) 2/3 *20dB BW (MHz) Verdict NVNT 1-DH1 2402 Ant1 1.02 0.68 Pass NVNT 1-DH1 2441 Ant1 1.02 0.68 Pass NVNT 1-DH1 2480 Ant1 1.02 0.68 Pass NVNT 2-DH1 2402 Ant1 1.35 0.9 Pass NVNT 2-DH1 2441 Ant1 1.35 0.9 Pass NVNT 2-DH1 2480 Ant1 1.35 0.9 Pass NVNT 3-DH1 2402 Ant1 1.34 0.893 Pass NVNT 3-DH1 2441 Ant1 1.34 0.893 Pass NVNT 3-DH1 2480 Ant1 1.34 0.893 Pass 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.: TB-RF185929 Page: 9 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Test Graphs -20dB Bandwidth NVNT 1-DH1 2402MHz Ant1 -20dB Bandwidth 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.: TB-RF185929 Page: 10 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 -20dB Bandwidth NVNT 1-DH1 2480MHz Ant1 -20dB Bandwidth 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.: TB-RF185929 Page: 11 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 -20dB Bandwidth NVNT 2-DH1 2441MHz Ant1 -20dB Bandwidth 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.: TB-RF185929 Page: 12 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 -20dB Bandwidth NVNT 3-DH1 2402MHz Ant1 -20dB Bandwidth 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.: TB-RF185929 Page: 13 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 -20dB Bandwidth 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.: TB-RF185929 Page: 14 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Carrier Frequencies Separation Condition Mode Antenna Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH1 Ant1 2402.002 2403.001 0.999 0.68 Pass NVNT 1-DH1 Ant1 2441.068 2442.001 0.933 0.68 Pass NVNT 1-DH1 Ant1 2479.068 2480.064 0.996 0.68 Pass NVNT 2-DH1 Ant1 2402.014 2403.001 0.987 0.9 Pass NVNT 2-DH1 Ant1 2441.071 2442.013 0.942 0.9 Pass NVNT 2-DH1 Ant1 2478.984 2480.007 1.023 0.9 Pass NVNT 3-DH1 Ant1 2402.008 2402.98 0.972 0.893 Pass NVNT 3-DH1 Ant1 2441.008 2441.977 0.969 0.893 Pass NVNT 3-DH1 Ant1 2479.023 2480.073 1.05 0.893 Pass Shenzhen Toby Technology Co., Ltd. Ht…

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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.: TB-RF185929 Page: 39 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 1-DH1 2441MHz Ant1 Ref Tx. Spurious NVNT 1-DH1 2441MHz Ant1 Emission 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.: TB-RF185929 Page: 40 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 1-DH1 2480MHz Ant1 Ref Tx. Spurious NVNT 1-DH1 2480MHz Ant1 Emission 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.: TB-RF185929 Page: 41 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 2-DH1 2402MHz Ant1 Ref Tx. Spurious NVNT 2-DH1 2402MHz Ant1 Emission 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.: TB-RF185929 Page: 42 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 2-DH1 2441MHz Ant1 Ref Tx. Spurious NVNT 2-DH1 2441MHz Ant1 Emission 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.: TB-RF185929 Page: 43 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 2-DH1 2480MHz Ant1 Ref Tx. Spurious NVNT 2-DH1 2480MHz Ant1 Emission 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.: TB-RF185929 Page: 44 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 3-DH1 2402MHz Ant1 Ref Tx. Spurious NVNT 3-DH1 2402MHz Ant1 Emission 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.: TB-RF185929 Page: 45 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 3-DH1 2441MHz Ant1 Ref Tx. Spurious NVNT 3-DH1 2441MHz Ant1 Emission 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.: TB-RF185929 Page: 46 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Tx. Spurious NVNT 3-DH1 2480MHz Ant1 Ref Tx. Spurious NVNT 3-DH1 2480MHz Ant1 Emission 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.: TB-RF185929 Page: 47 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Restrict Band Condition Mode Frequency (MHz) Antenna Hopping Mode Spur Freq (MHz) Power (dBm) Gain (dBi) E (dBuV/m) Detector Limit (dBuV/m) Verdict NVNT 1-DH1 2402 Ant1 No-Hopping 2310 -49.06 2 48.2 Peak 74 Pass NVNT 1-DH1 2402 Ant1 No-Hopping 2310 -58.61 2 38.65 Average 54 Pass NVNT 1-DH1 2402 Ant1 No-Hopping 2320.08 -45.29 2 51.97 Peak 74 Pass NVNT 1-DH1 2402 Ant1 No-Hopping 2339.28 -58.42 2 38.84 Average 54 Pass NVNT 1-DH1 2402 Ant1 No-Hopping 2390 -48.69 2 48.57 Peak 74 Pass NVNT 1-DH1 2402 Ant1 No-Hopping 2390 -58.57 2 38.69 Average 54 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2483.5 -49.31 2 47.95 Peak 74 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2483.5 -58.2 2 39.06 Average 54 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2483.68 -36.55 2 60.71 Peak 74 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2483.56 -58.15 2 39.11 Average 54 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2500 -47.77 2 49.49 Peak 74 Pass NVNT 1-DH1 2480 Ant1 No-Hopping 2500 -58.4 2 38.86 Average 54 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2310 -48.9 2 48.36 Peak 74 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2310 -58.57 2 38.69 Average 54 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2317.584 -46.22 2 51.04 Peak 74 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2388.144 -58.28 2 38.98 Average 54 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2390 -48.11 2 49.15 Peak 74 Pass NVNT 2-DH1 2402 Ant1 No-Hopping 2390 -58.49 2 38.77 Average 54 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2483.5 -48.91 2 48.35 Peak 74 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2483.5 -58.14 2 39.12 Average 54 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2483.656 -36.54 2 60.72 Peak 74 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2483.512 -58.14 2 39.12 Average 54 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2500 -47.87 2 49.39 Peak 74 Pass NVNT 2-DH1 2480 Ant1 No-Hopping 2500 -58.39 2 38.87 Average 54 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2310 -47.11 2 50.15 Peak 74 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2310 -58.7 2 38.56 Average 54 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2322.672 -45.75 2 51.51 Peak 74 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2389.392 -58.37 2 38.89 Average 54 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2390 -49.25 2 48.01 Peak 74 Pass NVNT 3-DH1 2402 Ant1 No-Hopping 2390 -58.45 2 38.81 Average 54 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2483.5 -48.6 2 48.66 Peak 74 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2483.5 -58.24 2 39.02 Average 54 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2484.088 -38.01 2 59.25 Peak 74 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2484.064 -58.05 2 39.21 Average 54 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2500 -48.08 2 49.18 Peak 74 Pass NVNT 3-DH1 2480 Ant1 No-Hopping 2500 -58.27 2 38.99 Average 54 Pass 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.: TB-RF185929 Page: 48 of 59 FCC ID: 2A35V-MI04 TB-RF-074-1.0 Test Graphs Restrict Band NVNT 1-DH1 2402MHz Ant1 No-Hopping Peak Restrict Band NVNT 1-DH1 2402MHz Ant1 No-Hopping Average Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangd…

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Shenzhen Toby Technology Co., Ltd. Report No.: TB-FCC185929 Page: 1 of 46 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: 2A35V-MI04 Report No. : TB-FCC185929 Applicant : Shenzhenshi Hantai Keji Youxian Gongsi Equipment Under Test (EUT) EUT Name : wireless headphone Model No. : MI04 Series Model No. : ---- Brand Name : Mipeace, Hearprotek Sample ID : 20211229-07-1#& 20211229-07-2# Receipt Date : 2021-12-31 Test Date : 2021-12-31 to 2022-01-14 Issue Date : 2022-01-17 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. Witness Engineer : Seven Wu Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai 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.: TB-FCC185929 Page: 2 of 46 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 REVISION HISTORY ............................................................................................................................. 4 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 ...................................... 7 1.4 Description of Support Units .............................................................................................. 7 1.6 Description of Test Software Setting ................................................................................ 9 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility ......................................................................................................................... 10 2. TEST SUMMARY ..................................................................................................................... 11 3. TEST SOFTWARE ................................................................................................................... 11 4. TEST EQUIPMENT .................................................................................................................. 12 5. CONDUCTED EMISSION ....................................................................................................... 14 5.1 Test Standard and Limit .................................................................................................... 14 5.2 Test Setup ........................................................................................................................... 14 5.3 Test Procedure ................................................................................................................... 14 5.4 Deviation From Test Standard ......................................................................................... 15 5.5 EUT Operating Mode ........................................................................................................ 15 5.6 Test Data ............................................................................................................................. 15 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 16 6.1 Test Standard and Limit .................................................................................................... 16 6.2 Test Setup ........................................................................................................................... 16 6.3 Test Procedure ................................................................................................................... 18 6.4 Deviation From Test Standard ......................................................................................... 19 6.5 EUT Operating Mode ........................................................................................................ 19 6.6 Test Data ............................................................................................................................. 19 7. EMISSIONS IN RESTRICTED BANDS ............................................................................... 20 7.1 Test Standard and Limit .................................................................................................... 20 7.2 Test Setup ........................................................................................................................... 20 7.3 Test Procedure ................................................................................................................... 21 7.4 Deviation From Test Standard ......................................................................................... 22 7.5 EUT Operating Mode ........................................................................................................ 22 7.6 Test Data ............................................................................................................................. 22 8. 99% OCCUPIED AND 20DB BANDWIDTH ........................................................................ 23 8.1 Test Standard and Limit .................................................................................................... 23 8.2 Te…

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FCC ID:2A35V-MI04 TB-RF-074-1.0 Appendix V EUT Test Photographs 15C Test Setup Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID:2A35V-MI04 TB-RF-074-1.0 Photo of Setup for Radiated Emission (Below 1 GHz) Photo of Setup for Conducted Emission -----END OF REPORT-----