1. Speaker for U-Disk MP3 format.
2. with 3.5mm audio jack for connecting mp3/mp4
3. With Alarm-clock
4. With Radio

Spec.:

1. POWER: 4 X LR14battery, AC 220V-DC 6V 500mA adaptor
2. Wrking voltage: DC 6V
3. Static state current: lower than 3mA;
4. Working current: lower than 300mA;
5. Clock: Alarm function, Time display;
6. U-disk MP3: play music in MP3 format from U-disk;
7. Radio: AM, FM selection, frequency display;
8. Bass switch.