2BS3M-LW6Wireless Studio Headphones

, 7635.5MHz 7635.5MHz This UWB devices may not be employed for the operation of toys. Operation on board an aircraft, a ship or a satellite is prohibited. This equipment may only be operated indoors. Operation outdoors is in violation of 47 U.S.C. 301 and could subject the operator to serious legal penalties.

Silkscreen document SCALE 1:1 Dimensions in mm 67,05 51,46 7,65 1,67

Bay Area Compliance Laboratories Corp. (Shenzhen)EXHIBIT No.: 2501X11947E-RF-TSPB Page1 / 4 EUT EXTERNAL PHOTOS Radiated EmissionsView (Below 30MHz) Radiated EmissionsView (Below 960MHz) Bay Area Compliance Laboratories Corp. (Shenzhen)EXHIBIT No.: 2501X11947E-RF-TSPB Page2 / 4 Radiated EmissionsView ([email protected]) Radiated EmissionsView ([email protected]) Bay Area Compliance Laboratories Corp. (Shenzhen)EXHIBIT No.: 2501X11947E-RF-TSPB Page3 / 4 Radiated EmissionsView (1-18GHz@3m) Radiated EmissionsView (Above [email protected]) Bay Area Compliance Laboratories Corp. (Shenzhen)EXHIBIT No.: 2501X11947E-RF-TSPB Page4 / 4 RF Conducted View_Left ANT RF Conducted View_Right ANT *****END *****

Proprietary and confidential. Do not distribute. All rights reserved by LEWITT Development GmbH. 1 LEWITT LW6 Antenna 1.1 Specification summary • Type: Dipole antenna • Model: MEC00297_CHARLIE_PCB_ANT • Size: approximately 20.91 x 9.57 x 0.64mm • Supported frequency range: 6GHz to 9.5GHz o For ETSI we use: 6924MHz to 8347MHz o For FCC we use: 7645MHz to 9208Mhz or 6924MHz to 8347MHz • Max. Gain: See gain table for specific frequency range • Material: Two-layer PCB with antenna pattern etched into copper. • Manufacturer: Lewitt GmbH Schanzstraße 14/1.1 1150 Wien Austria 2.1 Copper layout Only soldering pads have copper on both sides. Antenna structure only on one side (red shape). 3.1 Change history V1 Created 10 th September 2025 Tobias Ecker V2 Added antenna gain 13 th March 2026 Tobias Ecker V3 Company address 28 th April 2026 Tobias Ecker V4 Added used frequencies 19 th May 2026 Tobias Ecker V5 Gain table format 21 st July 2026 Tobias Ecker Proprietary and confidential. Do not distribute. All rights reserved by LEWITT Development GmbH. 2 4.1 Antenna Gain Frequency Antenna Gain, Right Antenna Gain, Left Max Antenna Gain 30MHz...1,6GHz -45,13 dBi -37,19 dBi -37,19 dBi 1,6GHz...2,7GHz 1,87 dBi 0,12 dBi 1,87 dBi 2,7GHz...3,735GHz 1,91 dBi 3,30 dBi 3,30 dBi 3,735GHz...4,8GHz -5,54 dBi -4,43 dBi -4,43 dBi 4,8GHz...6,0GHz 4,95 dBi 5,88 dBi 5,88 dBi 6,0GHz...10,2GHz 5,85 dBi 7,06 dBi 7,06 dBi 10,2GHz...26GHz 6,49 dBi 7,22 dBi 7,22 dBi A A B B C C D D E E 11 22 33 44 MaterialLayerThicknessDielectric MaterialTypeGerberDkManufacturer Top OverlayLegendGTO Surface MaterialTop Solder1.0000mil(0.0254mm)Solder ResistSolder MaskGTS CopperTop Layer1.5984mil(0.0406mm)SignalGTL 20.0000mil(0.5080mm)TU-872 SLKDielectric3,71Taiwan Union Technology Co. CopperBottom Layer1.5984mil(0.0406mm)SignalGBL Surface MaterialBottom Solder1.0000mil(0.0254mm)Solder ResistSolder MaskGBS Bottom OverlayLegendGBO Total thickness: 25.1968mil(0.6400mm) Layer Stack Legend Material: See stackup. PER IPC-4101/21. Meet UL Flammability 94-V0.1. Finished thickness to be 0.64mm +/-0.1mm. See stackup.2. Plated hole dimensions to apply after plating. Plated holes shall meet or exceed IPC-6012 Class 2. Hole tolerance specified in Drill Table. 3. Solder coat all exposed copper using lead free hot air level, or equil. No exposed copper. Finish to be ENIG. 4. Solder resist coatings shall meet the requirements of IPC-SM-840. Color - Green. 5. Tolerances on board profile to be +/- 0.15mm.6. Manufacturing: IPC-6012 Class 2.7. Acceptability: IPC-600 Class 2.8. Electrical Test: IPC-9252B.9. Solderability Test: J-STD-003.10. Apply component legend to both sides. Color - White.11. Void Silkscreen from any solder mask clearance.12. Mark PCB in etch or silkscreen, on primary side, with date, manufacturer's approved logo and type designation. 13. This is a lead free design. RoHS compliance is required.14. Electronic Gerber file data controls all dimensions. In the event of missing fabrication drawing dimensions, or discrepancy between fabrication drawing dimensions, and electronic Gerber file data, the electronic file data is correct. 15. NOTES: UNLESS OTHERWISE SPECIFIED SymbolCount 8 Plated Plated Hole Size 15.7mil(0.40mm) Hole Tolerance Drill Table TE LEWITT AUDIO Headphone PCB Antenna Tilted Fabrication Drawing APPROVALDATE SIZE SCALE = NTS REV TITLE DFT: ENG: DWG. NO. 2 13-January-25 B SHEET 1 OF 1 20.91mm 9.57mm 5.39mm CONFIDENTIAL H90_4946_R_S_O9B_A14M_C4, Antenna length 20,9mm 18.Sep.2024WIRELESS PERFORMANCE MATTERS85 Vertical polarization S11 Efficiency CONFIDENTIAL H90_4946_R_S_O9B_A14M_C6B_G1 Antenna length 20,7mm 25.Sep.2024WIRELESS PERFORMANCE MATTERS110 CONFIDENTIAL H90_4946_R_S_O9B_A14M_C6B_G1 Antenna length 20,7mm, Vertical polarization 25.Sep.2024WIRELESS PERFORMANCE MATTERS111 CONFIDENTIAL H90_4946_R_S_O9B_A14M_C6B_G1 Antenna length 20,7mm, Vertical polarization 25.Sep.2024WIRELESS PERFORMANCE MATTERS112 CONFIDENTIAL H90_4946_R_S_O9B_A14M_C5B, Right Antenna length 20,5mm 1.Oct.2024WIRELESS PERFORMANCE MATTERS113 CONFIDENTIAL H90_4946_R_S_O9B_A14M_C5B, Right Antenna length 20,5mm, Vertical polarization 1.Oct.2024WIRELESS PERFORMANCE MATTERS114 CONFIDENTIAL H90_4946_L_S_O9B_A14M_C5B, Left Antenna length 20,5mm 1.Oct.2024WIRELESS PERFORMANCE MATTERS115 CONFIDENTIAL H90_4946_L_S_O9B_A14M_C5B, Left Antenna length 20,5mm, Vertical polarization 1.Oct.2024WIRELESS PERFORMANCE MATTERS116

Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn TR-EM-RF303 Page 1 of 114 Version 3.0 TEST REPORT Applicant/Manufacturer:Lewitt GmbH Address:Schanzstrasse 14 Top 1.1, Vienna, 1150 Austria Report Number:2501X11947E-RF-00C FCC ID:2BS3M-LW6 Test Standard (s) FCC PART 15F Sample Description Product Type:Wireless Studio Headphones Model No.:LW6 Multiple Model(s) No.:N/A Trade Mark: Date Received:2025-09-17 Issue Date:2026-08-05 Test Result:Pass ▲ ▲ In the configuration tested, the EUT complied with the standards above. Prepared and Checked By:Approved By: Wills YuNancy Wang RF EngineerRF Supervisor Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-00C TR-EM-RF303 Page 2 of 114 Version 3.0 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ..........................................................................................................................3 GENERAL INFORMATION ........................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)......................................................................................4 OBJECTIVE ....................................................................................................................................................................4 TEST METHODOLOGY....................................................................................................................................................4 MEASUREMENT UNCERTAINTY .....................................................................................................................................5 TEST FACILITY ..............................................................................................................................................................5 SYSTEM TEST CONFIGURATION ...........................................................................................................................6 DESCRIPTION OF TEST CONFIGURATION .......................................................................................................................6 EQUIPMENT MODIFICATIONS ........................................................................................................................................6 EUT EXERCISE SOFTWARE ...........................................................................................................................................6 SUPPORT EQUIPMENT LIST AND DETAILS .....................................................................................................................6 EXTERNAL I/O CABLE...................................................................................................................................................6 BLOCK DIAGRAM OF TEST SETUP .................................................................................................................................7 SUMMARY OF TEST RESULTS ................................................................................................................................8 TEST EQUIPMENT LIST ............................................................................................................................................9 FCC §2.1093 & §1.1310 - RF EXPOSURE.................................................................................................................10 FCC §15.203 & §15.519(A)(2)- ANTENNA REQUIREMENT ................................................................................12 APPLICABLE STANDARD .............................................................................................................................................12 FCC §15.519(A) (1) - SHUTOFF TIMING REQUIREMENT................................................................................13 APPLICABLE STANDARD .............................................................................................................................................13 TEST PROCEDURE........................................................................................................................................................13 TEST DATA..................................................................................................................................................................13 FCC §15.503 (A)(D), §15.519(B)– UWB OPEARTION BANDWIDTH..................................................................18 APPLICABLE STANDARD .............................................................................................................................................18 TEST PROCEDURE........................................................................................................................................................18 TEST DATA................................................................................................................…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-00C TR-EM-RF303 Page 10 of 114 Version 3.0 FCC §2.1093 & §1.1310 - RF EXPOSURE Applicable Standard According to FCC §2.1093, and §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance v06. RF Exposure for devices that operate above 6 GHz (1.1310): §2.1093 (d): Portable devices that transmit at frequencies above 6 GHz shall be evaluated in terms of the MPE limits specified in Table 1 to §1.1310(e)(1). A minimum separation distance applicable to the operating configurations and exposure conditions of the device shall be used for the evaluation. Limits for General Population/Uncontrolled Exposure Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (Minutes) 0.3-1.346141.63*(100)30 1.34-30824/f2.19/f*(180/f 2 )30 30-30027.50.0730.230 300-1500//f/150030 1500-100,000//1.030 f = frequency in MHz * = Plane-wave equivalent power density Calculated Formulary: Predication of MPE limit at a given distance S = 2 4 R PG  S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW). G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain. R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-00C TR-EM-RF303 Page 11 of 114 Version 3.0 Test Result: For worst case: Maximum Tune-up EIRP # Mode Frequency (MHz) (dBm)(mW) Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) UWB7635.5-4.00.40 0.50.13 1 UWB8426.5-3.9 0.41 0.50.13 1 Note: 1.The tune up power was declared by the applicant. 2. The BT and UWB cannot transmit at same time.

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 1 of 7 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 2 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 3 of 7 R-UWB ANT Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 4 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 5 of 7 L-UWB ANT Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 6 of 7 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-INP Page 7 of 7 BT ANT

Lewitt GmbH Address: Schanzstrasse 14 Top 1.1, Vienna, 1150 Austria Tel: +43 06642486048 Email: [email protected] Date: 2026-07-27 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Compliant to FCC § 15.521 technical requirements for FCC ID: 2BS3M-LW6 (a)UWB devices may not be employed for the operation of toys. Operation onboard an aircraft, a ship or a satellite is prohibited. Reply: Compliant. The final device should not use for toys and device operation onboard an aircraft, a ship or a satellite. The device is a Wireless Studio Headphones, mainly used for recording studios, etc.. (b) Manufacturers and users are reminded of the provisions of § 15.203 and 15.204. Reply: Compliant, use an antenna permanently attached to the device. Antenna cannot be modifications. (c) Emissions from digital circuitry used to enable the operation of the UWB transmitter shall comply with the limits in § 15.209, rather than the limits specified in this subpart, provided it can be clearly demonstrated that those emissions from the UWB device are due solely to emissions from digital circuitry contained within the transmitter and that the emissions are not intended to be radiated from the transmitter's antenna. Emissions from associated digital devices, as defined in § 15.3(k), e.g., emissions from digital circuitry used to control additional functions or capabilities other than the UWB transmission, are subject to the limits contained in Subpart B of this part. Reply: All radiation spurious emissions are compliant to FCC § 15.209&15.519. (d) Within the tables in §§ 15.509, 15.511, 15.513, 15.515, 15.517, and 15.519, the tighter emission limit applies at the band edges. Radiated emission levels at and below 960 MHz are based on measurements employing a CISPR quasi-peak detector. Radiated emission levels above 960 MHz are based on RMS average measurements over a 1 MHz resolution bandwidth. The RMS average measurement is based on the use of a spectrum analyzer with a resolution bandwidth of 1 MHz, an RMS detector, and a 1 millisecond or less averaging time. Unless otherwise stated, if pulse gating is employed where the transmitter is quiescent for intervals that are long compared to the nominal pulse repetition interval, measurements shall be made with the pulse train gated on. Alternative measurement procedures may be considered by the Commission. Reply: According to testing requirements, all radiation spurious emissions are compliant to UWB limits for FCC 15.519, including for the tighter emission limit applies at the band edges. (e) The frequency at which the highest radiated emission occurs, f M , must be contained within the UWB bandwidth. Reply: Compliant. The f M is contained within the UWB bandwidth, such as 10dB bandwidth. (f) Imaging systems may be employed only for the type of information exchange described in their specific definitions contained in § 15.503. The detection of tags or the transfer or data or voice information is not permitted under the standards for imaging systems. Reply: The product is not used for imaging system. (g) When a peak measurement is required, it is acceptable to use a resolution bandwidth other than the 50 MHz specified in this subpart. This resolution bandwidth shall not be lower than 1 MHz or greater than 50 MHz, and the measurement shall be centered on the frequency at which the highest radiated emission occurs, fM. If a resolution bandwidth other than 50 MHz is employed, the peak EIRP limit shall be 20 log (RBW/50) dBm where RBW is the resolution bandwidth in megahertz that is employed. This may be converted to a peak field strength level at 3 meters using E(dBuV/m) = P(dBm EIRP) + 95.2. If RBW is greater than 3 MHz, the application for certification filed with the Commission must contain a detailed description of the test procedure, calibration of the test setup, and the instrumentation employed in the testing. Reply: Compliant. Testing Peak as the requirements for the test procedure, calibration of the test setup, and the instrumentation employed. (h) The highest frequency employed in § 15.33 to determine the frequency range over which radiated measurements are made shall be based on the center frequency, fc, unless a higher frequency is generated within the UWB device. For measuring emission levels, the spectrum shall be investigated from the lowest frequency generated in the UWB transmitter, without going below 9 kHz, up to the frequency range shown in § 15.33(a) or up to fc+ 3/(pulse width in seconds), whichever is higher. There is no requirement to measure emissions beyond 40 GHz provided fc is less than 10 GHz; beyond 100 GHz if fc is at or above 10 GHz and below 30 GHz; or beyond 200 GHz if fc is at or above 30 GHz. Reply: Compliant. Testing range compliant to this requirement for this product. And all radiation spurious emissions are compliant to UWB limits for FCC 15.519. (i)The prohibition in § 2.201(f) and 15.5(d) of this chapter against Class B (damped wave) emissions does not apply to UWB devices operating under this subpart. Reply: This product will not produce Class B emissions (damped wave) (j) Responsible parties are reminded of the other standards and requirements cross referenced in § 15.505, such as a limit on emissions conducted onto the AC power lines. Reply: Compliant. This product only powered by DC 3.7V from battery or DC 5V from USB port. Sincerely Yours, Signature: Printed name: Christian Walter Title: CTO and shareholder

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-EXP Page 1 of 5 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-EXP Page 2 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-EXP Page 3 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-EXP Page 4 of 5 Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: 2501X11947E-RF-EXP Page 5 of 5