EMGETON CULT X8 4GB . Player media type: flash-media, Total storage capacity: 4 GB, Compatible memory cards: microSDHC. Display: OLED, Display diagonal: 25.4 mm (1 "), Display resolution: 128 x 32 pixels. Audio formats supported: APE, CBR, FLAC, MP3, WAV, WMA. Headphone connectivity: 3.5 mm. RMS rated power: 0.022 W, Frequency response: 20 - 20000 Hz, Sensitivity: 93 dB