System Requirements Hardware IBM PC or compatible PC, Notebook or Macintosh with USB port Operation System Windows98/98SE/Me/2000/XP，Window vista ultimate(32位) and Linux2.4/Mac OS10.0 above Driver installation Only required for Windows98/SE Function characteristics USB Interface USB2.0 high speed Capacity 128MB, 256MB, 512MB, 1GB, 2GB，4GB,16GB(Optional) Storage Device Removable Storage Device Card type N/A A-B Repeat Available EQ Mode Normal, Rock, Pop, Classical, Soft , Jazz, Bass Supported Language Simple Chinese ,English，German，French, Italian, Portuguese, Spanish Play Mode Normal, Repeat all, Repeat one, repeat Folder，Folder，Random，Intro VBR Available Technical Specification Read speed SLC:5.0~6.0MB/S MLC：3.5~4.0MB/S Write speed SLC:4.0~5.0MB/S MLC: 1.5~2.0MB/S Audio format MP3，WMA Bit Rate 8Kbps—320Kbps Recording Length WAV：128MB about 4 hours（64kbps/8KHZ） Battery Life 8-10Hours LCD Display SNR >85dB Frequency Response Range 20HZ—20KHZ Physical characteristics Battery Type chargeable battery Storage Temperature Samsung Flash:-20℃ ~ +55℃ ; Other Flash:-0℃ ~ +55℃ Operating Temperature Samsung Flash:-10℃ ~ +55℃; Other Flash:-0℃ ~ +55℃ Operation Relative Humidity* 20% ～ 90%（40℃） Storage Relative Humidity* 20% ～ 93%（40℃） Size（mm） L*W*H :44mmX29.5mmX13.2mm Weight（g） About 21g Color optional Package Blister package, color box EMI Compliance