Chipset:ATS3009
Bluetooth version: V5.0
Transmission distance:10M(without obstacles )
Play time: 30H（BT),20(BT+ANC)
Talk time: 30H（BT),20(BT+ANC)
Standby time: 200H
battery: 650 mAh
Charging time: 2.5H
Impedance:32 Ω
Frequency response: 20hz-20khz

Product size: 215*165*50mm
Net weight: 254g
Wireless working range: 10M (without obstacles )
Speaker sensitivity: 102db
Profiles supported ：HSP/HFP/A2DP/AVRCP
Impedance: 32Ω
Input voltage / current: DC 5V