BT-3 Bluetooth Speaker-blue, Brand Name : OEM

1)with usb port and sd card slot
2)rich natural super bass,stereo output,3d effect
3)working with pc,notebook,tablet,dvd,mp3mp4,cell phone, etc
4)power output 16w rms
5)drive unit 4",4 ohmã��ã�â 
6)wooden casing
7)built-in lithium battery,dc5v
8)with handle,replaceable battery,with microphone socket
9)fm radio with antenna
10)led display.