1. Bluetooth 2.0 and A2DP, range 0-10m.
2. Answer/refuse/redial/voice dial, dial the last number.
3. Compatible with most of Bluetooth mobile phones and applicable to GSM/CDMA /TDMA /WCDMA.
4. Built-in two speakers and high sensitive microphone.
5. Built-in Li-ion rechargeable battery.
6. Record last 5 received numbers and dial-back optional.
7. FM earpiece for privacy.
8. LED nixietube display 12 digits incoming caller ID.
9. Built-in FM transmitter for sharing music or call from car audio.
10. Re-connected automatically once within their connective range.
11. Built-in MP3 player, support MP3 format by SD/MMC/USB port.
12. Earpiece and MP3 player are optional.