2AKZ8-TWS046TRUE WIRELESS EARBUDS

AC69 8 3D 2 DC 5V voltage Depressurization lithium battery Voltage protection Charging Power on Bluetooth chip Antenna Crystal Key Audio output system system 24MHz indicator light indicator light MIC 2402-2480MHz

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS TWS046, PATW-1023, PATW-1023-BK, CATW-1030-BK TWS046, PATW-1023, PATW-1023-PK, CATW-1030-GL TWS046, PATW-1023, PATW-1023-SV, CATW-1030-GR

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna Antenna

Operation description 1.The headset adopts AC6983D2 Bluetooth chip, 2.The product is powered by rechargeable lithium ion polymer battery with power supply voltage of 3.7V and charging input voltage OF DC 5V. The charging current and charging completion are managed by U1(AC6983D2) 3.The frequency of the crystal is 24MHz, which is multiplied to the 2.4GHz frequency band through the internal phase-locked loop circuit of the chip, the radio frequency transmitter and receiver are integrated into U1. RF signals are received and sent by antenna 4.Operating frequency range: Bluetooth：2402MHz-2480MHz. 5.Modulation Technique: Bluetooth: GFSK,π/4-DQPSK

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230309922-00 Page 51 of 51 5. RF EXPOSURE EVALUATION 5.1 Applicable Standard According to§15.247(i) 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 KDB447498 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)] ꞏ [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where • f(GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. 5.2 Measurement Result The max conducted power including tune-up tolerance is 0 dBm (1 mW). [(max. power of channel, mW)/(min. test separation distance, mm)][√f(GHz)] =1/5*(√2.480) = 0.3< 3.0 Result: Compliant. The stand-alone SAR evaluation is not necessary. ===== END OF REPORT =====

1 1 2 2 3 3 4 4 DD CC BB AA AGND GND GND SW BT AVDD GND GND VBATDC5VBT AVDDP/P/POWER BT RF GND DP DM BT OSCO BT OSCI AGND VCOM DACLDACR MICMIC BLAS LED B/R +3.3V VCOM 1 VDDIO 2 PB8/PB6/ADC9 3 PGND 4 SW 5 VBAT 6 LDO_IN 7 BT_AVDD 8 PB2/ADC7/LP_TH1 9 PB1/ADC6/LP_TH0 10 BT_RF 11 BT_OSCI 12 BT_OSCO 13 PC2/USBDM 14 PC0/USBDP 15 MIC0/PA1 16 MIC_LDO 17 DACR 18 DACL 19 DACVSS 20 GND 0 U1 AC6983D2 C5 105 C6 105 C7 106 C4 105 C9 105 12 L1 10uH MIC AGND E1 BT-BT GND GND + 1 - 2 MIC1 MIC C1 2P C11 1P5 C2 0.8nH C10 NC P1 P P2 P VBAT GND AGND P7 P VBAT VBAT- GND AGND R2 100R VDD VSS VM U2 SW1828A P3 P P4 P DACL DACR GND 3 P 4 P P5 P DC5V GND 5 P 2 P P6 P E2 NC P/P/POWER GND C8 NC K1 P +3.3V GND LED B/R LED1 B LED2 R GND GND BT OSCIBT OSCO12 3 4 Y1 24M DP P DM P Antenna

The Spec for Antenna Model P3C-2 Operating Frequency 2 441MHz(2 402MHz-2 480MHz) Modulation Type Support GFSK and π/4 DQPSK all packet types Antenna Gain 2.48 dBi Size4*2.27mm Antenna pattern  Antenna diagram  ManufacturerBDM Manufacturer Address Floor 3, Building C, Tiange Science Park, No. 2, Luozai Industrial Avenue, Luozai Community, Shiyan Street, Baoan District, Shenzhen

TEST REPORT Applicant: DONGGUAN LINPA ACOUSTIC TECHNOLOGY CO., LTD Address: 2A No.60 Lizhong Road Dali Qingxi Town, DONGGUAN, China FCC ID: 2AKZ8-TWS046 Product Name: TRUE WIRELESS EARBUDS Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR230309922-00 Date Of Issue: 2023/4/11 Reviewed By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR230309922-00 Page 2 of 51 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. 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 may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR230309922-00 Page 3 of 51 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 DOCUMENT REVISION HISTORY .......................................................................................... 5 1. GENERAL INFORMATION .................................................................................................... 6 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 6 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 8 1.2.1 EUT Operation Condition: ............................................................................................................................. 8 1.2.2 Support Equipment List and Details .............................................................................................................. 8 1.2.3 Support Cable List and Details ...................................................................................................................... 8 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 8 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 9 2. SUMMARY OF TEST RESULTS .......................................................................................... 10 3. REQUIREMENTS AND TEST PROCEDURES .................................................................. 11 3.1 AC LINE CONDUCTED EMISSIONS .................................................................................................... 11 3.1.1 Applicable Standard ..................................................................................................................................... 11 3.1.2 EUT Setup.................................................................................................................................................... 12 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 12 3.1.4 Test Procedure ............................................................................................................................................. 13 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.2 RADIATED SPURIOUS EMISSIONS ...................................................................................................... 14 3.2.1 Applicable Standard ..................................................................................................................................... 14 3.2.2 EUT Setup.................................................................................................................................................... 14 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 15 3.2.4 Test Procedure ............................................................................................................................................. 15 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 15 3.3 20 DB EMISSION BANDWIDTH ........................................................................................................... 16 3.3.1 Applic…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz View Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View Radiated Emission Above 1GHz View