XKTTSUEERCRR Leather Case w/ Removable Detachable Wireless ABS Bluetooth Keyboard For Apple iPad 1ST GENERATION iPAD iPad 2 iPad 3 iPad 4Specifications: 1. Bluetooth 3.0 interface standard 2. Operating Distance to 10 meters 3. Modulation System: FHSS2.4G 4. Transmitting power:Class 2 5. Operating Voltage: 3.0-5.0V 6. Working Current: XKTTSUEERCRR Bluetooth Keyboard case for iPad 1x USB Charging Cable 1x Manual 1x Xtek4U exclusive design gift!