Wireless Bluetooth speaker with rechargeable battery built-in.
Light effect built-in.
Just pair with phone or PC with bluetooth, and enjoy music wirelessly.
Range up to 10 meters (depending on walls etc.).
MicroSD card slot for direct MP3 playback.
Handsfree function for phonecalls.
Built-in rechargeable battery that are charged by connection to a pc usb port.
Volume output: 3W.
Battery lifetime approximately 2-3 hours per charge (400mAh).