Trekstor 4GB i.Beat organix 2.0 black. Player media type: flash-media, Total storage capacity: 4 GB. Display: OLED, Display diagonal: 25.4 mm (1 "). Audio formats supported: MP3/WMA/WAV/OGG. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 90 dB, Equalizer modes: custom