Visual Land VL-557i Black. Total storage capacity: 2 GB. Image formats supported: JPEG, Audio formats supported: MP3, WAV, WMA. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB. Display diagonal: 50.8 mm (2 "). Width: 44.4 mm, Depth: 88.9 mm, Height: 6.3 mm