Item Specifications:
* Product Size: (L)210mm*(W)125mm*(H)90mm
* Power adapter: Input AC 100-240V/50-60HZ; Output DC 12V 2.5A
* Backup battery: ¡°CR2032¡± 3V lion battery (included)
* External Input: 3.5mm stereo audio input
* Output Power: 5W*2, Volume divide 30 level can be adjustable
* Speaker: 2inch