Bluetooth version:RDA 4.1
Bluetooth range:10m
Playing time: 5-6H
Standby time:120H
Battery: 200mAh rechargeable lithium battery
Function: to adjust the volume, switch songs, call answering,
reject calls, hang up the phone, Bluetooth play, hands-free calls,
telephone replay, Bluetooth, voice prompts, even back to the FM, TF,
power display, pure English.