Product Features:
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<br />This model of Bluetooth hands-free earphone provides quiet and comfortable listening experience for you. 
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<br />And special design of in-ear style gives you terminal comfort andidoneity. Furthermore, fashionable design and advanced technique will make you very cool and stylish once wearing it.
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<br /> VC 6.0 noise reduction gives you clear communication experience while freeing your hands to keep maximum cosiness. In addition, it also has very nice appearance.
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<br />Functions:To play and switch musics.Switch between Chinese audio and English audio.
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<br />Talking caller ID function when incoming call.Last number redial.Operation voice prompt function.Battery display for IOS system.One for two.Supports WeChat, car navigation, QQ voice and other softwares
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<br />Product Parameter:
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<br />Bluetoothchip and bluetooth version: NUODA AB1513 Bluetooth 4.1
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<br />Bluetooth agreement:A2DP AVRCP HFP HSP
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<br />Battery: 3.7V 45mAh
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<br />Charging power: 5V/80mAh
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<br />Sensibility: 103db +/- 3d
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<br />BImpedance: 32Mw
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<br />Distance of transmission: about 10 meters 
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<br />without obstacleFrequency: 2.4GHZ
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<br />Call endurance: about 4 hours 
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<br />Time for listening to music: about 3.5 hoursStandby time: about 15 hours
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<br />Weight of product: about 4.5 g
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<br />Packing List:  2 * Ear Caps
<br />                     1 * USB Charging Cable
<br />                   1 * User Manual
<br />                  1 * Earphone