New 8GB Slim Mp3 Mp4 Player With 1.8 LCD Screen, FM Radio, Video, Games & Movie --green Audio Recording: MP3,WMA,WMV Compatible Operating Systems: Windows 98/SE/ME/2K/XP,Mac OS 10, Linux 2.4.2 Frequency Range: 20 Hz-20 kHz Radio Frequency Range: 76MHz - 90MHz./ 87MHz - 108MHz; Radio SNR: 85db