Blaupunkt BLP4400-004 Manuel D'utilisation page 15

Specifications:
Rated voltage: DC 5V 180mA
Max consumption : 0,9W
Polymer Lithium-ion battery 360mAh
Radio frequency : 2,402-2,480GHz
Sound power: 10mW
Frequency range: 20Hz-20KHz
Bluetooth compatible version: 4.1
Working range: 10m
Charging time: 2 hours
Using time:9 hours
Standby time : 60 days
Function Overview :
Noise Cancelling On/Off Button
Multifunction Button (Bluetooth On/Off, Make/Answer/End/Reject Cal, Pause
Wireiess Only)
Volume Down/Previous Song(Wireless Only)
Volume Up/Next Song(Wireless Only)
103mm