* Power Supply: Battery (AA 1.5V x 4pcs), AC adapter (6V/600mA), or USB power cord
* Output Power: 3W+2W*2
* Driver Unit: woofer: dia. 50mm, tweeter: dia. 28mm x 2, 4ohm
* Frequency Response: 100-18Khz
* Portable and foldable design
* Work with all audio sources with a 3.5mm jack.
* Power LED indication
* Play and charge to MP3 player
* Battery operated
* On/off Switch,Tact button for volume control

* Packing Content: Speaker, Adaptor, Audio Cable, Manual