1). Through 4 keys to operate all the features of speaker
2). Support TF card and MP3/WMA(optional) file format
3). Support FM radio, crystal clean treble
4). Compatible with laptop, iPod, MP3, MP4, MP5, cellphone, PSP etc. Via 3.5mm audio cable
5). Dual power supply: USB & lithium battery
6). Without painting, colored by original plastic injection.
7). Screwless, one-and-whole cabinet
Technical data:
Power: USB, lithium battery
Signal transfer: Aux in 3.5mm, USB, TF card& FM radio
Output: 4W x 2
N. W: 130 g
Color: White/black/red.