Csr8645 Wireless 4.0 Amplifier Board 5w Plus 5w Apt-x Stereo Receiver Amplifier Module
£7.96 Inc Tax
CSR8645 has lower power consumption when the power turned on. It has no DC isolated power for the battery.COM is the common point of the key, the other end of the key are then VOL , VOL-, PREV, NEXT, PLY. M and M- are positive and negative of the microphone. They are mainly used in Bluetooth headsets.