BT Version:V4.2

Format:MP3 / WMA / WAV

Charging:Li-battery/ USB-5V

Power:5W*1

Materials:ABS,Rubber oil,Fabric

Play type:TF/USB/MICRO

Function:Bluetooth, Handsfree, TF card,U Disk,LIN in, FM radio.

Receiver Distance:﹤10M

Speaker:Ø40mm 4Ω/ 3W*1

Bass diaphragm:30*40mm

Battery:400mAh

Charge:5V 0.3A

Playing Time:2-3hours

Frequency:80Hz-20KHz

Color: Black, Gray,Red,Blue