1.    Bluetooth chip: JL, Bluetooth version: 5.0  
2.    Battery capacity: 90mAh, charging time 2hours
3.    Call/ music time: 5 hours, standy time 200hours,
4.    Weight: 12g ,      Language:English
5.    Ear-hook design like Apple style
6.    Support protocol Headset Hands-free A2DP,AVRCP,HSP,HFP
7.    Available to connect 2 mobile phones at the same time.