1. Independent FM wireless earpiece to protect your secret.
2. Bluetooth specification: 2.0, rang 0-10m
3. Complete bluetooth wireless installation.
4. USB port for software update and charge.
5. DSP technology, Full duplex, noise and echo suppression.
6. With 600 mAh Li-ion Battery to provide typical standby time of more than 5 days, talking time of 6 hours.
7. Built-in high intelligent microphone and powerful speaker.
8. Can scroll the 10 groups of incoming calls and store 200-600 groups number then call back.
9. Super bright LCM caller English name display and caller ID.
10. Answer/end/reject a call, Voice dialing, last call redialing, and call switch.
11. Transmit the signal into car radio by FM frequency.