Trekstor Vibez F 4Gb. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display resolution: 176 x 132 pixels. Image formats supported: JPEG. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 90 dB, Impedance: 7.5 Ом