**100% Brand New and clear sound.
**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.
Using for mobile phones,computer,laptop,tablet PC,notebook and so on.
Suitable for running,mountain climbing,office,conference,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:300mAH
Charge voltage:3.7-4.2V DC
Working voltage:4.8V-5.0V
Signal-to-Noise ratio:80dB±2dB
Microphone response:-32db
Output power:3W
Material:plastic