1. Support Bluetooth V1.2+EDR
2. Operate frequency range: 2.4~2.48 GHZ ISM frequencies
3. 10m Wireless range
4. Support headset, hand-free and TTS
5. Support multi-pairing, be able to pair 8 Bluetooth mobile phones maximum
6. Integrate noise suppression and echo cancellation technology, to remove the noise of background and reach high quality effect
7. Build-in loudspeaker and microphone; be able to use the headset to keep confidential
8. Talking time of 15~16 hours, standby time of 600 hours
9. Charge time: 3 hours