portable bluetooth keyboard 1), Washable, roll-up 2), Mini size design 3), Water resistant 4), Silicone material Item No.: FBK1portable bluetooth keyboardFeature:1),A ... silicone3),Bluetooth 2.0 technology4),Compatible with iPhones, Windows® Mobile 6.0 and above,5),Sybian 6.0 and above and Android operating system ... weight: 160 g- Powered by 2 x AAA alkaline batteryPhoto: portable bluetooth keyboard