Sandisk 4GB Sansa Clip Zip. Player media type: flash-media, Total storage capacity: 4 GB, Compatible memory cards: microSDHC. Display: OLED, Display diagonal: 27.9 mm (1.1 "). Audio formats supported: AAC, FLAC, MP3, OGG, WMA. Headphone connectivity: 3.5 mm. Continuous audio playback time: 15 h