Description Of MP3 Player WF-MP-012 Product Name: MP3 Player WF-MP-012 Model Number: WF-MP-012 Place of Origin: China Specifications: 1) Supports MP3 music formats; 2) USB disk function; 3) 6 kinds of Voice Effect Mode; 4) A-B repeat function; 5) LCD Faceplate:96 x 26 pixel, Blue Light Background; 6) Voice Recording: ADPCM; 7) Transferring rate up to 500kbps at Full Speed; 8) Low power design: Allows 6 hr of continuous operation; 9) Battery:1 x AAA alkaline battery; 10) Memory Size: 64MB/128MB/256MB; 11) Earphone: Particular necklace-style design; 12) SNR:90dB; 13) Earphone Output Power:5mW+5mW; 14) Output Frequency:20Hz~20KHz; 15) Compress Rate:32Kbps~256Kbps; 16) Weight:~28g (excluding battery); 17) Dimension:85 x 33 x 23mm; 18) Operating System: Windows 98/ME/2000/XP in lithium