Working Time: Around 5-8 hours
Bluetooth Version: V4.1
Charging time: Around 1-2 hours
Noise Reduction:CVC6.0
Charging interface: MICRO USB
Profile: HFP/A2DP/HSP/AVRCP
Communication Distance: About 10m in free field
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Accessories List:
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1* QCY QY12 (contain Ear Hooksu0026nbsp;andu0026nbsp;Ear Tips u0026nbsp;)
1* USB Charging Cable
1* Cable Buckle
1* User Manual
4* Ear Hooks (2 Sizes)
8* Ear Tips (4 Sizes)
1*u0026nbsp;Retail Box