Specifications:
■ Memory: Capacity 1GB-4GB;

■ Support music file such as MP3, WMA, ASF;
■ Correspondence OS: Windows 2000/XP/Vista;
■ Interface: USB2.0;
■ Channels: Stereo;
■ Music file: MP3, WMA, ASF;
■ Battery: Bulit-in rechargeable Li-ion battery;
■ Languages of the quick user guide: English, Korean, Chinese;     
■ Size: 44.0 x 39.5 x 30 mm;
■ Weight Approximately: 18g (battery included)