New BT313 Magnetic Bluetooth Headset  Earphone Sport Running Headphone Bluetooth Earpiece With Mic Stereo Earbuds For all phone 
 
Product introduction:
1. Name: Bluetooth sports music fashion earphone
2. No: BT-313
3. Style: in ear earphone with micphone  
4. Location: Like Sports and Listen to the music when in motion
5. Waterproof and sweat  (Water splashing) 
 
Technical specification:
1. Bluetooth ver: 4.1 
2. CVC 6.0 noise reduction
3. talk time: 5h
4. music time: 4h
5. Standby time: 120 hours
6. charging time: 1.5 hours
7. Sensitivity: 103db +/- 3dB
8. Impedance: 16Mw
9. Mic: Yes
10. Sensitivity: -38db +/- 3dB
 
Package Contents: 
1x Bluetooth Headphone
1 x USB Cable
1 x Manual