Bluetooth 4.1 Headset Earphone Sport Headphones hands free
Connection: Bluetooth 4.1
Distance: Up to 10m in open area
Frequency: 20 Hz - 20 kHz
Sensitivity: 96 ±3 dB
Charching interface: Micro-USB female
Charging adapter output: DC 5V
Charging time: 1 hour, playing time: 3 hours, standby time: 6 days
Battery: Rechargeable 60 mAh lithium-polymer battery
LED indicator: Blue-red
Cable length: 740 mm
Includes USB charging cable, ac adapter sold seperately.
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