Bluetooth:Bluetooth 3.0,
A2DP,HFP,HSP,CSR solution, high quality sound
Driver:40mm, 4Ω 3W
Built-in Battery: 300mAH, Li-ion battery
Voltage:DC 3.7V
Operation range:up to 10m
Function Key:Volume +/-, Dial up/Hang up
Output power:3W
Built-in Microphone:Yes
Certificates:Bluetooth BQB
Frequency:100Hz-18KHz
Package Content:
1xBluetooth speaker
1xUSB cable
1xUser manual
