BT Version : 5.1
Battery capacity : 200mAh (Charging dock) Earbuds Charge about 2 times
Battery capacity : 5V/80mAh (Earbuds) 
Wireless distance : about 10 meters 
Standby time : about 730 hours 
Support profiles : HFP/A2DP/HSP/AVRCP
Talk time : 30 hours
Music time : 30 hours