2BK8J-S7ULTRATrue wireless Bluetooth glasses

Shanghai WeihonghangCulture Communication Co., Ltd.

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Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Sep 29, 2025
Application Purpose: Original Equipment
Equipment Note: True wireless Bluetooth glasses
Frequency Range: 2402.00000000 - 2480.00000000
Company: Shanghai WeihonghangCulture Communication Co., Ltd.
Country: China

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

External Photos

ID Label/Location Info

Label and Location Size: L: 1.0cm*W: 0.2cm FCC ID : 2BK8J-S7ULTRA Label and Location

Internal Photos

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 6 Product Name: True wireless Bluetooth glasses Model No.: S7 Ultra Internal Photos of the EUT Left side Photo Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 6 Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 6 Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 6 Right side Photo Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 6 . Report No.: HTT202509780 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 6 ------End------

RF Exposure Info

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 1 of 9 RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : HTT202509780F02 2BK8J-S7ULTRA Compiled by ( position+printed name+signature) . : File administrators Supervised by ( position+printed name+signature) . : Project Engineer Approved by ( position+printed name+signature) . : RF Manager Date of issue .................................... : Sep. 22, 2025 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................ : Shanghai WeihonghangCulture Communication Co., Ltd. Address............................................ : No. 58 Fumin Branch, Hengsha Township,Chongming District,Shanghai Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology 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. Test item description ..................... : True wireless Bluetooth glasses Manufacturer .................................... : Shanghai WeihonghangCulture Communication Co., Ltd. Trade Mark ........................................ PAXA Model/Type reference ...................... : S7 Ultra Rating ............................................... : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202509780F02 Page 2 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 9 T E S T R E P O R T Equipment under Test : True wireless Bluetooth glasses Model /Type : S7 Ultra Listed Models : N/A Applicant : Shanghai WeihonghangCulture Communication Co., Ltd. Address : No. 58 Fumin Branch, Hengsha Township,Chongming District,Shanghai Manufacturer : Shanghai WeihonghangCulture Communication Co., Ltd. Address : No. 58 Fumin Branch, Hengsha Township,Chongming District,Shanghai Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202509780F02 Page 3 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 9 Contents 1 T E S T S T A N D A R D S ................................................... 4 2 S U M M A R Y .............................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Special Accessories 5 2.4 Modifications 5 3 T E S T E N V I R O N M E N T 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Statement of the measurement uncertainty 6 4 T E S T L I M I T 7 4.1 Requirement 7 4.2 Conducted Power Results 8 4.3 Manufacturing tolerance 8 4.4 Evaluation Result 9 4.5 Simultaneous Transmission for SAR Exclusion 9 5 C O N C L U S I O N 9 Report No.: HTT202509780F02 Page 4 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 4 of 9 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices Report No.: HTT202509780F02 Page 5 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 5 of 9 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Sep. 16, 2025 Testing commenced on : Sep. 16, 2025 Testing concluded on : Sep. 22, 2025 2.2 Product Description Product Name: True wireless Bluetooth glasses Model No.: S7 Ultra Series model: N/A Test sample(s) ID: HTT202509780-1(Engineer sample) HTT202509780-2(Normal sample) Operation Frequency: 2402MHz~2480MHz Channel numbers: 79 Channel separation: 1MHz Modulation type: GFSK, π/4-DQPSK, 8-DPSK Antenna Type: Chip Antenna Antenna Gain: 3.35 dBi Power Supply: DC 3.7V From Battery and DC 5V From External Circuit Adapter Information (Auxiliary test provided by the lab): Mode: GS-0500200 Input: AC100-240V, 50/60Hz, 0.3A max Output: DC 5V, 2A 2.3 Special Accessories The following is the EUT test of the auxiliary equipment provided by the laboratory: Description Manufacturer Model Technical Parameters Certificate Provided by / / / / / / 2…

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Test Report

2.4GHz0603 ChipAntenna:RANT0603F245C01 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberI nformation RANT 0603F 2 45C 0 1 (A)( B)( C)( D)( E)( F) ElectricalSpecification Thespecificationi sdefinedonEVB. DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 0.6x0.3mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=01 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz( Min.) PeakGain3.35dBi(Typ.) Impedance50Ohm Returnl oss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature(°C)-40~85°C ResistancetoSolderingHeats 10sec.(@280°C) TerminationNi/ Au(Leadless) Dimension(mm) L 0.60±0.10 W 0.30±0.10 T 0.30±0.10 咏成國際科技有限公司電話 : 1 35305 7 6606 RAINIn t e rn a t i o n a lT ec hn o l o gy C o . , L t d . T EL : 1 35305 7 6606 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz0603 ChipAntenna: RANT0603F245C01 _ EvaluationBoardReference 2.4GHz0603 ChipAntenna:RANT0603F245C01 ElectricalCharacteristics ReturnLoss&Radiation 2.4GHz0603 ChipAntenna:RANT0603F245C01 _ Radiation ElectricalCharacteristics 2.4GHz0603 ChipAntenna:RANT0603F245C01 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPES IZEA B C D 70603 ” 15K/Reel 4 .0±0.5 4 .0±21 3.5±0.51 78±2 TappingSpecification PackagingT ypeA B W E F G H T ψ D P PaperType 0603 0.38 ±0.20 0.68 ±0.208 .0±0.201 .75±0.103 .5±0.054 .0±0.102 .0±0.050 .5±0.10 1.50±0.10 2.0±0.1 2.4GHz0603 ChipAntenna:RANT0603F245C01 _ ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr, thenkeepfor24±1hrsatroomt emp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Ct o+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftert estcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingt ime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onel ong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"f romanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksi neachdirectionshallbeappliedalongt hethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4f t/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftert estcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz0603 ChipAntenna:RANT0603F245C01 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applythel oadi ndirectionofthearrowuntilbendingr eaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds. NoVisibleDamage Magnificationof20Xor greatermaybeemployed fori nspectionofthe mechanicali ntegrityoft he devicebodyt erminalsand body/terminalj unction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12024/08/01NewDatasheet 22024/09/02Add2Dradiationcharacteristic

Test Report

1 Appendix RF Test Data for BT Company: : Shanghai WeihonghangCulture Communication Co., Ltd. EUT : True wireless Bluetooth glasses FCC ID: : 2BK8J-S7ULTRA Model Number : S7 Ultra Report No. : HTT202509780F01 Reviewed By : Heber He 2 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) GFSK SISO 2402 DH5 2.913 3.749 77.70 1.10 0.03 2441 DH5 2.914 3.750 77.71 1.10 0.03 2480 DH5 2.913 3.749 77.70 1.10 0.03 Pi/4DQPSK SISO 2402 2DH5 2.920 3.749 77.89 1.09 0.01 2441 2DH5 2.920 3.751 77.85 1.09 0.04 2480 2DH5 2.920 3.750 77.87 1.09 0.04 8DPSK SISO 2402 3DH5 2.923 3.750 77.95 1.08 0.03 2441 3DH5 2.923 3.750 77.95 1.08 0.04 2480 3DH5 2.924 3.751 77.95 1.08 0.03 3 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 4 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 5 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 6 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 7 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.859 / Pass 2441 DH5 1 0.859 / Pass 2480 DH5 1 0.860 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.170 / Pass 2441 2DH5 1 1.171 / Pass 2480 2DH5 1 1.172 / Pass 8DPSK SISO 2402 3DH5 1 1.181 / Pass 2441 3DH5 1 1.179 / Pass 2480 3DH5 1 1.176 / Pass 2.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.957 / Pass 2441 DH5 1 0.953 / Pass 2480 DH5 1 0.955 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.285 / Pass 2441 2DH5 1 1.282 / Pass 2480 2DH5 1 1.287 / Pass 8DPSK SISO 2402 3DH5 1 1.299 / Pass 2441 3DH5 1 1.308 / Pass 2480 3DH5 1 1.308 / Pass 9 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 10 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 11 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 12 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 13 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 14 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 15 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 16 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 17 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 18 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 19 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Left: Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 1.53 <=30 Pass 2441 DH5 0.77 <=30 Pass 2480 DH5 1.15 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.39 <=20.97 Pass 2441 2DH5 1.48 <=20.97 Pass 2480 2DH5 1.80 <=20.97 Pass 8DPSK SISO 2402 3DH5 2.94 <=20.97 Pass 2441 3DH5 2.07 <=20.97 Pass 2480 3DH5 2.39 <=20.97 Pass Right: Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 1.74 <=30 Pass 2441 DH5 0.46 <=30 Pass 2480 DH5 1.26 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.45 <=20.97 Pass 2441 2DH5 1.59 <=20.97 Pass 2480 2DH5 1.16 <=20.97 Pass 8DPSK SISO 2402 3DH5 2.43 <=20.97 Pass 2441 3DH5 2.38 <=20.97 Pass 2480 3DH5 2.52 <=20.97 Pass 20 4. Carrier Frequency Separation 4.1 Test Result 4.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.000 0.957 >=0.957 Pass Pi/4DQPSK SISO HOPP 2DH5 0.994 1.287 >=0.858 Pass 8DPSK SISO HOPP 3DH5 0.991 1.308 >=0.872 Pass 21 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 22 8DPSK_3DH5_HOPP_Ant1_NTNV 23 5. Number of Hopping Frequencies 5.1 Test Result 5.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass 24 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 25 8DPSK_3DH5_HOPP_Ant1_NTNV 26 6. Time of Occupancy (Dwell Time) 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.412 31.600 320 131.840 <=400 Pass DH3 1.668 31.600 162 270.216 <=400 Pass DH5 2.916 31.600 114 332.424 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.422 31.600 320 135.040 <=400 Pass 2DH3 1.674 31.600 165 276.210 <=400 Pass 2DH5 2.924 31.600 99 289.476 <=400 Pass 8DPSK SISO HOPP 3DH1 0.422 31.600 320 135.040 <=400 Pass 3DH3 1.674 31.600 156 261.144 <=400 Pass 3DH5 2.926 31.600 107 313.082 <=400 Pass 27 6.2 Test Graph 6.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV 28 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV 29 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 30 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV 31 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV 32 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 33 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV 34 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV 35 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 36 7. Unwanted Emissions In Non-restricted Frequency Bands 7.1 Test Result 7.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 0.89 2441 DH5 1 0.08 2480 DH5 1 0.43 Pi/4DQPSK SISO 2402 2DH5 1 0.92 2441 2DH5 1 -0.04 2480 2DH5 1 -0.25 8DPSK SISO 2402 3DH5 1 0.85 2441 3DH5 1 -0.01 2480 3DH5 1 0.30 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. 7.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 0.89 -19.11 Pass 2441 …

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Test Report

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202509780F01 This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 30 TEST Report Applicant: Shanghai WeihonghangCulture Communication Co., Ltd. Address of Applicant: No. 58 Fumin Branch, Hengsha Township,Chongming District,Shanghai Manufacturer : Shanghai WeihonghangCulture Communication Co., Ltd. Address of Manufacturer : No. 58 Fumin Branch, Hengsha Township,Chongming District,Shanghai Equipment Under Test (EUT) Product Name: True wireless Bluetooth glasses Model No.: S7 Ultra Series model: N/A Trade Mark: PAXA FCC ID: 2BK8J-S7ULTRA Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: Sep. 16, 2025 Date of Test: Sep. 16, 2025 ~ Sep. 22, 2025 Date of report issued: Sep. 22, 2025 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: HTT202509780F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 30 1. Version Version No. Date Description 00 Sep. 22, 2025 Original Tested/ Prepared By Date: Sep. 22, 2025 Project Engineer Check By: Date: Sep. 22, 2025 Reviewer Approved By : Date: Sep. 22, 2025 Authorized Signature Report No.: HTT202509780F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 30 2. Contents Page 1. VERSION ........................................................................................................................................................ 2 2. CONTENTS .................................................................................................................................................... 3 3. TEST SUMMARY ........................................................................................................................................... 4 4. GENERAL INFORMATION ............................................................................................................................ 5 4.1. GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 4.2. TEST MODE ............................................................................................................................................... 8 4.3. DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 8 4.4. DEVIATION FROM STANDARDS .................................................................................................................... 8 4.5. ABNORMALITIES FROM STANDARD CONDITIONS ........................................................................................... 8 4.6. TEST FACILITY ........................................................................................................................................... 8 4.7. TEST LOCATION ......................................................................................................................................... 8 4.8. ADDITIONAL INSTRUCTIONS ........................................................................................................................ 8 5. TEST INSTRUMENTS LIST ........................................................................................................................... 9 6. TEST RESULTS AND MEASUREMENT DATA ......................................................................................... 10 6.1. CONDUCTED EMISSIONS .......................................................................................................................... 10 6.2. CONDUCTED PEAK OUTPUT POWER ......................................................................................................... 13 6.3. 20DB EMISSION BANDWIDTH .................................................................................................................... 14 6.4. FREQUENCIES SEPARATION ..................................................................................................................... 15 6.5. HOPPING CHANNEL NUMBER .................................................................................................................... 16 6.6. DWELL TIME ............................................................................................................................................ 17 6.7. BAND EDGE ............................................................................................................................................. 18 6.7.1. Conducted Emission Method ......................................................................................................... 18 6.7.2. Radiated Emission Method ............................................................................................................ 19 6.8. SPURIOUS EMISSION ................................................................................................................................ 21 6.8.1. Conducted Emission Method ......................................................................................................... 21 6.8.2. Radiated Emission Method ............................................................................................................ 22 6.9. ANTENNA REQUIREMENT .......................................................................................................................... 29 7. TEST SETUP PHOTO…

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Test Setup Photos