1. Answer the phone by handfree and support music play
2. operating range: 10-15 meters
3. Frequency range: 2.4 G
4.Standby time: 80 hours
5.Receiving sensitivity about 80 dBm
6.Compatible with all kinds of bluetooth mobile phone, PDA, notebook computer, etc.
7.Blutooth version V3.0
8.Support MP3/TF/FM functions
9. with 300mAh rechargeable battery, playing up to 3 hours