CMX Stingray888 FM 4GB. Player media type: flash-media, Total storage capacity: 4 GB. Display: LCD, Display diagonal: 45.7 mm (1.8 "), Display resolution: 152 x 128 pixels. Audio formats supported: MP3, WMA, WMV, ASF, WAV, Video formats supported: AMV, AVI, DAT, RM, VOB, Image formats supported: JPEG, BMP, GIF. Headphone connectivity: 3.5 mm. Continuous audio playback time: 12 h, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 300 mAh