2BTRL-S01Electronic Drum Set

FCC ID LABEL: Ca. 10mm x 25mm Label Location FCC ID: 2BTRL-S01

FCC RF Exposure EUT Description: Electronic Drum Set Model No.: S01 FCC ID: 2BTRL-S01 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Frequency (MHz) Output power (dBm) Tune Up Power (dBm) Max Tune Up power (mW) Min test separation distance mm Result Limit SAR Test Exclusion BLE 2480 -3.24 -4±1(-3) 0.501 5 0.158 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2508124537-E, antenna gain = 0.17dBi Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. The test exclusion threshold is 0.158 which is<= 3, SAR testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

Shenzhen JLC Electronics Co., Ltd. Antenna Specification for Approval Customer Name： Trendy Fun Product Name： 2.4G antenna Product model: k10d‐002b Part NO.: C113H‐11130‐110 Write By： Mike Company Address： 27/F, Olympic Building, No. 2 Shangbao Road, Futian District, Shenzhen, Guangdong, China Issued Date: June 20th, 2025 Customer R&D Dept tester Approved By JLC R&D Dept tester Approval Product Specification A. Electrical Characteristics Frequency 2400MHz ~2500MHz VSWR <3.0 Efficiency >50% Impedance 50 Ohm Polarization Line Gain 0.17DBi B. Material & Mechanical Characteristics Material of Radiator Cu Cable Type 1.13 Connector Type : NO Dimension C. Environmental Operation Temperature - 30 °C ~ + 80 °C Storage Temperature - 30 °C ~ + 85 °C Test Equipment & Conditions 1． Network Analyzers : Agilent 8753D 5071B 2． Communications Test Set: Agilent E5515C 3． 3D Chamber Test System Effiency &Gain Effiency &Gain 2.40 ‐0.01 2.440 0.12 2.48 0.17 Radiation Pattern:

Page 1 of 43 Report No.: HK2508124537-E FCC Test Report Test Report On Behalf of SHEN ZHEN SHI UBORAY TECHNOLOGY CO., LTD. For Electronic Drum Set Model No.: S01 FCC ID: 2BTRL-S01 Prepared For: SHEN ZHEN SHI UBORAY TECHNOLOGY CO., LTD. Room 468, GangShen International Center, Xinniu Community, Minzhi Street, Longhua District, Shenzhen, China Prepared By: Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Aug. 12, 2025 ~ Sept. 17, 2025 Date of Report: Sept. 17, 2025 Report Number: HK2508124537-E Page 2 of 43 Report No.: HK2508124537-E Test Result Certification Applicant’s Name ................... : SHEN ZHEN SHI UBORAY TECHNOLOGY CO., LTD. Address .................................... : Room 468, GangShen International Center, Xinniu Community, Minzhi Street, Longhua District, Shenzhen, China Manufacturer's Name ............. : SHEN ZHEN SHI UBORAY TECHNOLOGY CO., LTD. Address .................................... : Room 468, GangShen International Center, Xinniu Community, Minzhi Street, Longhua District, Shenzhen, China Product Description Trade Mark ................................. : N/A Product Name ............................ : Electronic Drum Set Model and/or Type Reference .. : S01 Standards ................................ : 47 CFR FCC Part 15 Subpart C 15.247 KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10: 2020 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing 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. Date of Test .............................................. : Date (s) of Performance of Tests ............... : Aug. 12, 2025 ~ Sept. 17, 2025 Date of Issue ............................................. : Sept. 17, 2025 Test Result ................................................. : Pass Testing Engineer Len Liao Technical Manager Sliver Wan Authorized Signatory Jason Zhou Page 3 of 43 Report No.: HK2508124537-E Contents Page 1 Test Summary ................................................................................................................................................ 5 1.1 Test Description ......................................................................................................................................... 5 1.2 Measurement Uncertainty ......................................................................................................................... 6 1.3 Information of the Test Laboratory ............................................................................................................ 6 2 General Information ....................................................................................................................................... 7 2.1 General Description of EUT ...................................................................................................................... 7 2.2 Description of Test Conditions .................................................................................................................. 9 2.3 Description of Test Setup ........................................................................................................................ 10 2.4 Description of Support Units .................................................................................................................... 11 3 Equipments List for All Test Items ............................................................................................................. 12 4 Test Result .................................................................................................................................................... 13 4.1 Antenna Requirement.............................................................................................................................. 13 4.2 AC Conduction Emissions Measurement ................................................................................................ 14 4.3 Radiated Emissions Measurement .......................................................................................................... 18 4.4 Maximum Output Power Measurement ................................................................................................... 27 4.5 Power Spectral Density ........................................................................................................................... 28 4.6 6dB Bandwidth ........................................................................................................................................ 31 4.7 Occupied Bandwidth ................................................................................................................................ 34 4.8 Band Edge ............................................................................................................................................... 35 4.9 Conducted Spurious Emissions .............................................................................................................. 37 5 Test Setup Photos ....................................................................................................................................... 41 6 Photos of the EUT ........................................................................................................................................ 43 Page 4 of 43 Report No.: HK2508124537-E ** Issued history ** Revision Description Issued Date Remark Revision 1.0 Initial Test Report Release Sept. 17, 2025 Jason Zhou Page 5 of 43 Report No.: HK2508124537-E 1 Test Summary 1.1 Test Description Test Item Test Requirement Result A…

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Test Model: S01 Radiated Emission AC Conducted Emission RF Conducted Emission