HOT ON SALE NOW. UNIT PRICE 11.5$ FOR 1GB! Internal Memory: 1GB/2GB/4GB Colors: Pink / Blue / Black / Silver /White Mp3 Player Weight: 18g Size: 4.4 (W) x 3.95(D) x 3(H) cm (similar to a ping pong ball) Continuous Playback: ~8 hours Power Plug: NO power blug is needed (110v and 220v are ok) due to charging by USB only (with computer or other USB charging equipment) Software/Drivers: Multi-languages supported, including English, Traditonal/Simplifed Chinese and etc. You can just download the latest software and driver Version from the Iriver homepage. Supported File Type: Mp3, wma, asf. Connection: USB 2.0 Accessories: Earphone (refer to the photo), USB cable, instruction guide, driver and software are i Ncluded in the packing box.