IC solution:QCC3005
BT5.1
BT profile:HSP,HFP,A2DP, AVRCP
Audio Codec:AAC, SBC, Aptx
Wireless Range:≥10m,class II
BT music play time:23H 
Charging time:2-3 H
Talk time:21 H
battery:420 mAh
Standby time:750 mAh
Speaker:40mm
Product weight:237g
Size:175x187x79mm
Extendable and rotatable design
3.5mm audio jack
Headband with Real leather