Main Features: - Bluetooth Keyboard Cover for iPad Air 1 / 2 / Pro 9.7 inch 3 in 1 universal Bluetooth keyboard PU leather protective case with holder function - Bluetooth 3.0 Keyboard Easily setup you tablets at the first time, pairing automatically after open the keyboard - Magnetic Suction Charging Built-in rechargeable lithium battery provides effective usage time - Stand Function Release your hands, ideal for typing, gaming and media playback status - Overall Protection This folio case looks like a notebook, high-quality PU leather guards your tablet against drops and bumps - ABS Keys Comfortable hand feeling provides the quick typing response, enhance the user experience - Smart and Portable Intelligent switch, support smart sleep mode Compact size, applicable in any occasionParameters: - Effective operating distance: 10m - Modulation system: GFSK - Working voltage: 3 - 4.2V - Working current: less than 2.5mA - Standby current: 0.3mA - Sleep current: less than 0.04mA - Charging current: more than 200mA - Standby time: more than 100 days - Charging time: 2 - 3 hours - Lithium battery capacity: 350mA - Sustainable working time: 150 hours - Color: black, golden, rose gold, red