for ipad Aluminum Bluetooth Keyboard 1.Bluetooth 2.0 2.Aluminum alloy material ... 3.Dust-proof,attractive,fashionabl for ipad Aluminum Bluetooth Keyboard Specification Bluetooth 2.0 interface standardFrequency: BT2.4-2 ... 0-5.0V Standby time:150 hoursOptional color: sliverBritish keyboard:10 inch,82 keys,245*95mmBattery:standby time-60days, ... a USB bluetooth adapter for ipad Aluminum Bluetooth Keyboard