1.Bluetooth version: Jianrong V4.2 2.Bluetooth profile: A2DP,AVRCP,HFP,HSP 3.Transmission range: 10M 4.Battery: Rechargeable Lithium battery 250mAH,3.7V 5.FM frequency: 87.5~108.00MHz 6.Output power: 0.25Wx2 7.Transmission power: Class 2 8.Music Time: 4hours 9.Talk Time:4hours 10.Standby time:120 hours 11.Charging Time: 2 hours 12.support EQ/FM/TF Card, In-call number voice tone. Support songs forward& backward switch, volume adjust, power display
