1) Dimensions: 5.8(L) x 1.4(H) x 5.5(W)cm 2) Weight: 20g 3) USB port: USB 1.1 4) SNT: 92.8dB 5) THD:-56db 6) Phone output: 5mw + 5mw 7) Disk read/write speed: 970k bytes/sec, 546k bytes/sec 8) Accessories: beautiful line earphone, USB line, user manual and warranty card, download disc