NGS Apollo Gold. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 71.1 mm (2.8 "), Display resolution: 400 x 240 pixels. Audio formats supported: MP3, WMA, Video formats supported: AVI, DAT, FLV, RM, RMVB, WMV, Image formats supported: BMP, GIF, JPG. Headphone connectivity: 3.5 mm, Headphone sensitivity: 108 dB, Headphone frequency: 20 - 20000 Hz. Signal-to-Noise Ratio (SNR): 80 dB