Specifications:

Bluetooth profile: V2.1+EDR
RF distance:10M
Frequency:90HZ-20KHZ
SNR:≥80db  
Distortion:≤0.3%
Battery capacity:400mAh
Playback time:About 3H
Rated power:3W
Material:plastic
Color: black,blue,red,white,yellow

Functions:

1.Wireless Bluetooth Input
2.Hand-free function
3.Play/pause
4.Vol.-/Previous song
5.Vol.+/Next song
6.Line in
7.Support TF card
8.FM function
9.Support USB

Pictures:

Workshop: