portable bluetooth keyboard 1), Washable, roll-up 2), Mini size design 3), Water resistant 4), Silicone material Item No.: FBK1portable bluetooth keyboardFeature:1),A ... ,2),water-resistant and washable, roll-up, made of silicone3),Bluetooth 2.0 technology4),Compatible with iPhones, Windows® Mobile 6.0 ... weight: 160 g- Powered by 2 x AAA alkaline batteryPhoto: portable bluetooth keyboard