Bluetooth Ακουστικά Ovleng BT-608, Μπλε - 20373

Bluetooth version - v4.1
Built-in Microphone
Distance : 10m 
Battery Volume : 300mAh 
Charging voltage : DC5V 
Loudspeaker size : 40mm 
Speaker impedance : 32Ohm 
Working time for music 3-5h
Working time for call 6-8h 
Bluetooth version : 4.1 
Power rating : 100mw 
Working voltage : DC3.7V 
Frequency response : 20-20kHz