**Certificates:CE,RoHS,FCC.
**Enjoying super bass music and clear **communication.
**Support bluetooth and wireless transmission
**Built in microphone and loudspeaker enjoy hands-free.
**Design with buttons make volume **control,next/previous song,play,pause,hang off function.
**Special design for outdoor exercise using.
**Design with hole for hanging.
**High quality stereo speaker.
**Using for computer,mobile phones,laptop,tablet **PC,notebook and so on.
**Suitable for running,mountain climbing,riding a bike,business trip,outdoor and etc.
**Warm welcome OEM,ODM,Wholesale business cooperation.
**Warranty for 1 year(due to our quality)
**Charging time:around 3 hours
**Lithium battery capacity:800mAH
**Charge voltage:3.7 DC
**Working voltage:5.0V
**Signal-to-Noise ratio:85dB
**Output power:3W
**Material:ABS