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Handsfree Bluetooth Ovleng S9, – 20322
Bluetooth version – v4.1
Built-in Microphone
Distance : 10m
Battery Volume : 45mAh
Charging voltage : DC5V
Loudspeaker size : 8mm
Speaker impedance : 32Ohm
Working time for music 4-6h
Working time for call 8-10h
Power rating : 2mw
Working voltage : DC3.7V
Frequency response : 20-20kHz