– Bluetooth version: V4.0
– Supporting protocol:HSP、HFP、A2DP、 AVRCP
– Connecting distance:10 meters
– Battery capacity:1400mAh rechargeable battery
– Working time:35 hours
– Standby time:about 800 hours
– Charging time:about 3hours
– Charging input:DC 5.0V=500mA
– Frequency response:20Hz-20kHz
– sensitivity(SPL): 100dB
– rated impedance:32 Ω.
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