CSR8645 HIFI bluetooth 4.0 12V Receiver Board for Car Amplifier Speaker Dual 5W Speaker Audio Lossless

Features GND and VCC are 12V power supplyUsing TI amp TPA6132 better sound qualityGND and BAT are powered by a 3 7V lithium batteryWith call function CSR8645 low power consumption power on the boot the default volume of the largestOUTL AGND OUTR for the balanced output can be directly connected headphones amplifiers audio and other input devicesCOM is the common side of the key the other end of the key are then VOL VOL PREV NEXT PLYM and M is the positive and negative of the microphoneCan be connected at the same time two mobile phones the only way boot automatically back to the chain of the final match the phone the penultimat pair of mobile phone to be manually connected Size 3 3x2 9cm 1 3x1 14inchPackage Included 1x CSR8645 Amplifier Board