2BCPTCH1025Bluetooth radio

CH1025 manual 1: Key function indication ▶/M paly volume down volume up LED DC5V input （AUX contact ） USB port TF card on-off function Bluetooth Mode Key M: Play/Pause Key "-": Previous song Key "+": Next song Long press on "-": Lower volume Long press on "+": Raise volume LED light button: on/off Radio Mode Key M: Automatically search channels Key "-": Previous channel Key "+": Next channel Long press on "-": Lower volume Long press on "+": Raise volume LED light button: on/off USB Plays Mode Key M: Play/Pause Key "-": Previous song Key "+": Next song Long press on "-": Lower volume Long press on "+": Raise volume LED light button: on/off TTF Plays Mode Key M: Play/Pause Key "-": Previous song Key "+": Next song Long press on "-": Lower volume Long press on "+": Raise volume LED light button: on/off 2: Technical specification basic specification Bluetooth name 1025 Product Type Portable Bluetooth Speaker storage type TF card &U disk（support GPT format storage device ） power supply Built-in 18650 3.7V/1200mAh battery working time 1.5-8H charging time 4-5H standby 10minutes Speaker 1.8 inches output 5W3Ω frequency range 100Hz-20KHz Bluetooth version Blueteeth5.1 USB support USB2.0 compatible with USB2.1 player MP3 play format MP3:8Kbps-32Kbps size 180×55×88mm N.W. 325g±10g（built-in battery included ） 3: Announcements ◆ Please read this instruction. ◆ Please read the instructions for the copy. ◆ Please store and use this product at room temperature. ◆ Do not use this product near sources of heat, such as radiators, heat regulators, stoves, or other instruments that generate heat (including amplifiers). ◆ Do not block the opening of the speaker and do not insert objects into the speaker's ventilation holes or slots. ◆ Do not throw the product to avoid damage due to falling. ◆ Please use a charger with the rated voltage specified for the speaker to charge it. ◆ If the cable does not match your device, please contact the seller. ◆ Please adjust the speaker to an appropriate volume to avoid harm to your hearing. ◆ In case of any damage to the device, professional maintenance personnel should be consulted for repair promptly. Unauthorized disassembly will void the warranty. ◆ There is a risk of explosion if the battery is replaced improperly. Only batteries of the same type or equivalent type should be used for replacement. ◆ The battery (or battery pack or combination battery) should not be exposed to warning labels such as exposure to sunlight, heating, or similar overheating environments. 4: Bluetooth contact guide 1.Turn on the speaker Press the power button to turn on the speaker. After the beep sound, the indicator light will blink and wait for Bluetooth pairing. 2.contact to the mobile device Turn on the Bluetooth option on your mobile device, find SPEAKER in the Bluetooth device list, and you will hear a tone when the connection is successful. At the same time, the blue LED indicator will be on. In the future, as long as you keep the Bluetooth option on your mobile device, it will automatically connect. FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. IMPORTANT NOTE: 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. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.

1 1 2 2 3 3 4 4 5 5 6 6 DD CC BB AA SP1 LW S1 BT+ 3.7V B+ B+ S2 LB 2 4 M Crystal 5V S3 S4 V C C 1 D - 2 D + 3 G N D 4 USB TF FM-ANT B+ + MIC 2 3 1 SK12D07 +5V 1 D- 2 D+ 3 ID 4 GND 5 USB-5P Charging input Charge management circuit Power amplifier circuitÿ Display circuit LED control (Only RX) 2402-2480MHz AC6966B

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-EXP EUT EXTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-EXP FM ANT China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-EXP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-EXP

Label: Label location: Input Voltage: DC5V⎓1A Output Power: 5W Battery Capacity: 1200mAh FCC ID: 2BCPTCH1025 MADE IN CHINA

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP EUT INTERNAL PHOTOGRAPHS China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-INP BT Antenna

Circuit Description 1. The CH1025 circuit consists of charging management circuit, Bluetooth module, display circuit, power amplifier circuit, LED control, TF and USB. 2. When charging, the charge management circuit charges the battery. The charging light turns red. When the battery is fully charged, the light goes out. There is a red light indicating solar charging; 3. The Bluetooth module uses AC6966B Bluetooth chip, 3dBi PCB antenna and an external 24MHz crystal oscillator. Rated Input Voltage: DC3.7V from Battery or DC 5V from USB port Operation Frequency: 2402-2480 MHz Modulation Type: Bluetooth: GFSK, π/4-DQPSK, 8DPSK BLE: GFSK

China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-00A Page 52 of 54 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)] · [√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 0dBm (1.0mW). [(max. power of channel, mW)/(min. test separation distance, mm)][√f(GHz)] =1.0/5*(√2.480) = 0.3< 3.0 Result: Compliant. The stand-alone SAR evaluation is not necessary.

1 1 2 2 3 3 4 4 5 5 6 6 DD CC BB AA K1 MODE/PLAY 24M 2 . 7 P F 22NH L1 MUTE 105 C9 20K R8 DACL 1 0 6 C7 VMCU SP1 1 0 0 K R11 102 C16 102 C15 1K 10K LW VMCU PWM1 20R CVDD 1 C P 2 C N 3 CTRT 4 AVDD 5 INP 6 INN 7 OUTP 8 OUTN 9 CPOUT 10 G N D 1 1 HAA9811 Y1 Q4 60Ω@100MHz 60Ω@100MHz 0 R R7 105 C17 20K R9 105 C19 470uF/10V C12 106 C13 475 C10 N C C11 1 0 0 K R10 NC U3 L3 L4 DAT2 1 CD/DAT3 2 CMD 3 VDD 4 CLX 5 VSS 6 DAT0 7 DAT1 8 CD CD 1 0 1 0 1 1 1 1 1 2 1 2 1 3 1 3 VCC 1 D- 2 D+ 3 GND 4 USB? USB FM-ANT BT-ANT 290NH L1 2.7PF K2 PREV/VOL- K3 NEXT/VOL+ K4 LED M U T E SD CLK SD CMD SD DAT U S B D P LIN L/R K E Y 2 K E Y 0 M I C AGND VCOM DACL LDO IN V M C U + 3 . 3 V K E Y 1 3K 10UF CHRG 1 GND 2 BAT 3 VCC 4 PROG 6 4054 1K RLED 4.2V 1 0 U F VMCU +5V 1 D- 2 D+ 3 ID 4 GND 5 USB? USB-5P SD DAT USBDP 3.3k VMCU 3.3V SD CLK SD CMD SD DAT KEY0 KEY1 KEY2 KEY2 KEY1DACL MUTE PWM1 + MIC MIC 105 1 2 3 4 5 6 7 8 91 0 1 1 1 2 1 3 1 4 1 5 1 6 17 18 19 20 21 22 23 24 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 AC6966B U1 105105 B T A V D D 105 12P 12P C-S1 C-S2 C-S3 C - S 4 C - S 5 C - S 6 C - S 7 USBDM 1 2 3 4 5 6 7 C-S1 C-S2 C-S3 C-S4 C-S5 C-S6 C-S7 2 31 SK12D07 D? S4 3.3k RLED 0R3 4R7

Antenna manufacturer and address Zhuhai Jieli Technology Co.,LTD No.333 Kexing rode,xiangzhou district ,Zhuhai city Antenna Model 2.4G onboard antenna Frequency Range 2400-2500MHz Antenna Type PCB Impedance(Ω) 50 Gain(dBi) 3 Antenna Photo Bluetooth Antenna Gain Frequency / MHzGain/dBi 24002.63 24102.71 24202.77 24302.88 24402.96 24503.00 24602.75 24702.89 24802.04 24902.34 25002.32 3D Gain Patterrn @ 2450 MMHz

TEST REPORT Applicant: Ningbo Choice Houseware Co., Ltd. Address: 4F, Qingsen Building, No.9 YinxianAve., Gulin Town, Haishu, Ningbo, Zhejiang, China FCC ID: 2BCPTCH1025 Product Name: Bluetooth radio 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: CR230952680-00A Date Of Issue: 2023/9/19 Reviewed By: Calvin Chen Title: RF Engineer Approved 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.: CR230952680-00A Page 2 of 54 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.: CR230952680-00A Page 3 of 54 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 ........................................................................................... 7 1.2.1 EUT Operation Condition: ............................................................................................................................. 7 1.2.2 Support Equipment List and Details .............................................................................................................. 7 1.2.3 Support Cable List and Details ...................................................................................................................... 7 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 RADIATION 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 MINIMUM 6 DB BANDWIDTH ....................................................................…

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China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-00A-TSP TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Side View China Certification ICT Co., Ltd (Dongguan) Report No.: CR230952680-00A-TSP Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View