CMX MP3 1000 1GB. Player media type: flash-media, Total storage capacity: 1 GB, Compatible memory cards: miniSD. Display: LCD, Display diagonal: 61 mm (2.4 "), Display resolution: 320 x 240 pixels. Audio formats supported: MP3, WMA, WAV. Headphone connectivity: 3.5 mm. Continuous audio playback time: 0 h, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 750 mAh