Philips PET727. Signal-to-Noise Ratio (SNR): 80 dB, MP3 bit rates: 32 - 320 Kbit/s. Audio formats supported: Dolby Digital MP3. Width: 199 mm, Depth: 159 mm, Height: 40 mm. Display diagonal: 177.8 mm (7 "), Display brightness: 100 cd/m², Contrast ratio (typical): 200:1. Packaging depth: 133 mm, Packaging height: 198 mm, Packaging width: 242 mm