Philips EXP2542 MP3-CD playback Portable MP3-CD Player. Display: LCD. Supported file systems: ISO-9660 Jolliet. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB, MP3 bit rates: 32 - 320 Kbit/s. Line-out connectivity: 3.5 mm