Bluetooth Car Kit + Bluetooth Earphone B-02 CSR4.0

1. Hands free function, and bluetooth earphone for private phone call;
2. Wirelessly making calles through inside 2W speaker;
3. DSP technology, full duplex, nosie and echo suppression;
4. With 600mAh polymer lithium battery;
5. BT Earphone can charge from car kit and keep full power.