iRiver E50 FM 8GB, E Series. Player media type: flash-media, Total storage capacity: 8 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "), Display resolution: 176 x 220 pixels. Audio formats supported: APE, FLAC, MP3, WAV, WMA, Video formats supported: SMV (M-JPEG), Image formats supported: BMP, JPEG. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 90 dB, Impedance: 16 Ом. Antenna type: Headphone/Earphone cord, FM band range: 76 - 108 MHz