Sports Stereo In-ear Bluetooth Earphones With Mic

Product description 
Name: Sports Bluetooth music headset 
No: H1
Style: Neckband
Location: like sport running and enjoy music
Comfortable wearing: super light, neckband style, easy to use when sports
With the  Microphone
One for two device 
Bluetooth ver: 4.0
Bluetooth use range: 10m
talk time: about 8h ( a full charging)
music time: about 8h(a full charging)
Driver Diameter: 10mm
Frequency range: 20-20khz
Sensitivity: 85db +/- 3dB
Impedance: 20Mw
Mic: Yes
CVC 6.0 noise reduction
Sensitivity: -38db +/- 3dB
Color: Black, White
package include
1x headphone 
1x usb line
S/L earplugs
Notice:
1. Due to the light difference, the color may be slightly different.
2. Please allow slightly differences due to manual measurement.