- Memory: 128MB - Display: Short Code LED, Color Backlight - Music Format: MP1, MP2, MP3, WMA, ASF, WAV - Bit rates: MP3 8~320Kbps WMA/ASF up to 384Kbps - Record Format: WAV (32Kbps) ACT (8Kbps) - Recording Time: SP= 9 Hours LP= 35 Hours - Earphone Jack: 3.5 - SNR (Signal to Noise Ratio): 85dB - Output of earphones: 2x10mW(32Ohms) - USB: 1.1 - Compatible Computer Systems (for USB connection): Windows 98SE/ME/2000/XP/Vista (32 bit version only) /Windows7, Mac OS 10+, Linux 2.4.2 or later - Power Source: 2x AAA Batteries - Dimensions: 105mm x 29mm x 16mm (L x W x D) - Certification: CE, FCC