Wireless Bluetooth Ear Hook Earphone Sports Waterproof Headset 
<br />Color: black, blue, purple, rose red
<br /> Model: Q12
<br />The bluetooth chip/version: MTK1513 V4.1 + EDR
<br />32   speaker impedance: phi 10 mm + / - 15%
<br />Microphones sensitivity: 80 db + - 0.1%
<br />Radio frequency is 2.405 GHZ to 2.405 GHZ
<br />Battery indicator: rechargeable lithium polymer battery 100 ma
<br />Working temperature: - 10-55  
<br />Power supply: DC5V
<br />Material: PC + ABS.
<br />Supported file formats: A2DP, AVRCP, HSP, HFP
<br />Transmission power: CLASS 2
<br />Wireless distance: 10 m
<br />Playing time: 6 to 7 hours
<br />Charging time: about 2 hours
<br />Standby time: 200 hours
<br />Enjoy wireless freedom and use this device with Bluetooth phone. 
<br />Package Includes :
<br />1 X Wireless Bluetooth HandFree Sport Stereo Headset headphone 
<br />1 X Micro USB Cable