* Crystal recording. *Sleek design,Pen-looking appearance,metal housing. *MP3 play player,can be used as a USB flash disk. *Support Muti-audio,MP3,WMA,ASF,WAV music mode. *USB data transmission *Mini size,light weight, Easy to carry,be able to write. *Power supply by 1 piece of AAA alkali battery. *Pen can be refilled *Recording time: Long-time recording ACT format. *Drive free USB function (USB function: without driving beyond Windows 2000 and plus) *Net weight: 37g *Size:140*15mm