Functions: 1) Supports MP3, WMA and WAV format music 2) Supports MTV format music 3) Recording function 4) FM stereo radio and inner recording 5) Portable hard disc 6) EQ models: jazz, classic, rock, bass, popular, soft and normal 7) Play models: sequence, random, single repeat, totally repeat, random repeat totally, preview 8) Repeat function 9) 65K color OLED display 10) USB 2.0 port 11) Supports Windows 98 / 2000 / ME / XP, no driver for a system above Windows98 12) Supports Chinese, Korean, Japanese, English and other European languages 13) Lyric synchro display 14) 30 class volume adjustment 15) EMS: 128MB / 256MB / 512MB / 1GB flash memory 16) Play time: over 8 hours 17) Line in function in WAV format Specifications: 1) Frequency response: 20Hz - 20KHz 2) Headphone driver SNR: 90dB 3) Total harmonic distortion: 0.08% 4) Battery: 500mAh, Li-ion battery 5) Maximum output: 5mW + 5mW 6) Recording format: ADPCM 7) Recording sampling: 8K - 32K 8) FM frequency: 88MHz - 108MHz 9) Compress speed: 8Kbps - 320Kbps (MP3), 5Kbps - 192Kbps (WMA) 10) Overall dimensions (L x W x H): 58 x 31 x 13mm 11) Weight: 46g Accessories: 1)USB cable: 1 set 2) Earphones: 1 pair 3) CD: 1 piece 4) Manual: 1 set 5) Battery charger: 1 set 6) Warranty card: 1 set Inner packing:Gift boxesBox dimensions: 175 x 140 x 54mm Box weight: 0.306kg Outer packing: 40 gift boxes/carton Carton dimensions: 560 x 363 x 305mm Carton weight: 13.126kg