... flash drive and extendable upto 4GB- Supported Formats: MP3, WMA,WAV, AMV, ASF, JPG, TXT.- PC Connection ... High Speed USB 2.0- Multilingual OSD (English, Deutch, Hungarian ... SE, ME, 2K, XP, MAC OS10, LINUX 2.4.2- External Speaker- Built-in rechargable Li-ion battery ... 43mm x 8 mm- Weight: 40 gFor more item pictures you may interested in: 2.0 inch Orion Mp4 player