Colors: Blue and white silver grey red 
(1) color simple, sophisticated, stylish. 
(2) supports MP3, WMA and WAV music formats of digital music players. 
(3) flash disk can be used for mobile, anywhere MP3 songs or data.(4) storage medium, flash memory cards built-in MP3 player 
(5) capacity of 512 M 1GB 2GB 4GB (optional) 
(6) USB2.0 Interface
(7)power built-in lithium-polymer rechargeable battery 
(8) audio channels: stereo (left and right side) 
(9) frequencies: 20Hz to 20KHz
(10)headphone output: left 15 mW + 15 mW voice of the greatest right 
(11) signal to noise ratio: 90 dB 
(12) wearing a lanyard headphones Frequency: 87.5Mhz ~ 108Mhz 
(13) intervals of time: 5 hours playback (128bps, MP3, EQ Normal) 
(14) size of 42 x 30 x 9.6mm 
(15) Weight: about 15 g