Buy the CSR8645 Wireless 4.0 Amplifier Board 5W+5W APT-X Stereo Receiver Amplifier Module. The module can be connected to two mobile phones or Bluetooth transmitters. The first phone pairing is automatic. It Supports Call Feature.
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.
Note: Battery is not included
- The board can be connected to two mobile phones.
- It comes with the call function and the default volume of the largest.
- Can be used for many applications like Bluetooth Headset
1 x CSR8645 Wireless 4.0 Amplifier Board