Product introduction: 
<br />Bluetooth Pro Sports Running Luminous Earphones Headphones,HIFI Stereo Wireless with Mic bicycle Headset,Multi-point Handsfree 
<br />1. Name: Sports Bluetooth music headset 
<br />2. No: H1 
<br />3. Style: Neckband 
<br />4. Location: like sport running and enjoy music 
<br />5. Comfortable wearing: super light , neckband style, easy to use when sports 
<br />6. The Mic 
<br />7. One for two device 
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<br />Technical specification: 
<br />1. Bluetooth ver: 4.0 
<br />2. Bluetooth use range: Less than or equal to 10 m 
<br />3. talk time: 8h 
<br />4. music time: 6-8h 
<br />5. Driver Diameter: 10mm 
<br />6. Frequency range: 20-20khz 
<br />7. Sensitivity: 85db +/- 3dB 
<br />8. Impedance: 20Mw 
<br />9. Mic: Yes 
<br />10. CVC 6.0 noise reduction 
<br />11. Sensitivity: -38db +/- 3dB 
<br />12.Charing time &amp; Vol.: 1-2Hrs, DC5V
<br />13.Standby time: 300Hrs
<br />14.SNR: 100-110 dB
<br />15.Distortion: Less than or equal to 0.1%
<br />16.File format: MP3
<br />17.Speaker: 16Omega
<br />18.Size: 170*148*27mm
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<br />Package include:
<br />1* Headset
<br />1* USB charging cable 
<br />1*Manual