Backlight LCD display with 7 color choices1GB MemoryEnjoy up to 10 hours of music playback*Small and wearable - goes where you goEqualizer for optimized sound to suit your music styleFast downloads from your PC via USB 2.0*Plug and play data storageSupports downloaded musicBacklight yes , 7 color backlight Lines of text 2 Resolution 32 x 128 Type LCD Sound Channel separation 45 dB Equalizer settings Classic , Jazz , Pop , Rock Frequency response 30 - 18 000 Hz Output power (RMS) 2 x 3 mW Signal to noise ratio > 85 dB Audio Playback Compression format MP3 , WAV , Windows Media Audio ID3 Tag support Album title and artist name MP3 bit rates 8-320 kbps and VBR MP3 sample rates 8 , 11.025 , 16 , 22.050 , 24 , 32 , 44.1 , 48 kHz WMA bit rates 5-192 kbps WMA sample rates 8, 11.025, 16, 22.050, 32, 44.1, 48 kHz DRM Version 10 Audio Capturing Audio file format WAV Built-in microphone mono Voice recording ADPCMBacklight LCD display with 7 color choices1GB MemoryEnjoy up to 10 hours of music playback*Small and wearable - goes where you goEqualizer for optimized sound to suit your music styleFast downloads from your PC via USB 2.0*Plug and play data storageSupports downloaded musicBacklight yes , 7 color backlight Lines of text 2 Resolution 32 x 128 Type LCD Sound Channel separation 45 dB Equalizer settings Classic , Jazz , Pop , Rock Frequency response 30 - 18 000 Hz Output power (RMS) 2 x 3 mW Signal to noise ratio > 85 dB Audio Playback Compression format MP3 , WAV , Windows Media Audio ID3 Tag support Album title and artist name MP3 bit rates 8-320 kbps and VBR MP3 sample rates 8 , 11.025 , 16 , 22.050 , 24 , 32 , 44.1 , 48 kHz WMA bit rates 5-192 kbps WMA sample rates 8, 11.025, 16, 22.050, 32, 44.1, 48 kHz DRM Version 10 Audio Capturing Audio file format WAV Built-in microphone mono Voice recording ADPCM