Features: 1.Wider And Larger Processing: Compared with the ordinary 7in keyboard, it has more keys and wider keys, which can have a better user experience. 2.Metal Texture: All aluminum alloy back cover, brushed metal texture keyboard panel is non slip, giving people a high end feeling. 3.Portable And Ultra Thin: It is very convenient for you to carry it for travel or business trips, and can be used with smartphones, tablets, laptops, desktop computers. 4. Light weight, quiet keys, waterproof, dustproof, scissor keyboard, fast typing, good feel. 5.With Pen Slot: TPU silicone soft shell, built in invisible pen slot, good anti drop effect. specification:Item Type: Bluetooth Tablet Keyboard Product Material: ABS, TPU, Silicone Bluetooth 3.0: Standard MICR Interface Within 10m: Effective Operation Possible Modulation Method: GFSK Working Voltage: 1.8~3.6V Working Current: