the smallest mp3 in the world,very delicate one,pretty choice for lady Specification: Dimension 24mm*24mm*24mm Weight: 18g LCD Window: 64*48 PC Connection: USB 2.0(FS) Read: 1000K Byte, Write: 1000-900K Byte Flash Memory:128-512M Battery: Max Play time: 6 Hrs Recording: 35 hrs WAV, ACT, MP3 FM Radio: station 20+20 Operating System: Windows 98/SE/ME/2K/XP, Mac OS 10, Linux 2.4.2