Irradio FEEL 4GB. Player media type: flash-media, Total storage capacity: 4 GB, Compatible memory cards: microSD (TransFlash). Display: LCD, Display diagonal: 76.2 mm (3 "), Display resolution: 400 x 240 pixels. Audio formats supported: MP3, WAV, WMA, Video formats supported: AVI, FLV, RMVB. Headphone connectivity: 3.5 mm. RMS rated power: 0.02 W, Signal-to-Noise Ratio (SNR): 90 dB, Impedance: 32 Ом