Feature: High-power terminals Large advanced audio capacitor 10A high-current full-bridge rectifier Dual-core amplifier chip,super-power Aluminum-magnesium alloy large heat sink Specifications: 3.6-5V power supply (compatible with lithium battery or 5V power supply). M + and M- are the positive and negative of the microphone. VCC and GND for the power supply feet, L, G, R then headphones. COM for the key of the common, the other end of the button were connected NEXT / VOL +, PREV / VOL-, PLY. With the call function, CSRA64215 low power, power on, the default volume of the largest. Size:6.2x3.3cm/2.44x1.30inch Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1x CSR8645 Amplifier board
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