Samsung YP-U3 1GB Blue. Colour of product: Blue. Player media type: Flash-media, Total storage capacity: 1 GB. Display: OLED, Display resolution: 128 x 64 pixels. Audio formats supported: ASF, MP3, OGG, WMA. Continuous audio playback time: 15h, Battery technology: Lithium Polymer (LiPo), Battery recharge time: 1.5h