Button self-starting
Bluetooth vision: Lansun V5.0. Both earphone call.
Play time: 2-3 hours (depend on 80% volume)
Stand-by time: 100 hours
Earphone battery capacity: 3.7V 45mA
Charging box battery capacity: 300mA(with protection board)
Charging time: 50 mins
Standard distance: 10 m
Microphone sensitivity: -60dB
SNR:≥60
Colour: Black/white/red/blue
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