1.Hands-free call, built-in Mic
2.Stereo FM radio, auto search and save
3.Support MP3 music format decode

Connectivity:........................................Bluetooth 2.1 + EDR
Wireless Range: ................................................10m/33feet
Speaker Specification:..........................52MM, 4Ω 2.5Wx2
Battery:..............................1000mAh,2-3hours music time
Plug:...................................................USB & AUX & TF Card
Color:..................................... Black,Red,Blue,Other colors
Size:................................................................17.6×6.5×5cm
Weight:...........................................................................427g