About this item 【Slim and Compact Keyboard With Numeric Keypad】: Computer keyboard has all the keys in a low-profile cross-profile structure, making it ultra thin (2 mm typing), responsive and less noise. And you can use the numeric keypad for quick entry and data entry, no problems with digital input. 【Wide compatibility:】 Use with all four major operating systems that support Bluetooth (iOS, Android, Mac OS and Windows), compatible with Brandnew Macbook,laptops,Desktop,Tablet and smart phones. 【Rechargeable and automatic sleep mode:】 Bluetooth wireless keyboard uses built-in lithium battery,can be easily recharged via USB cable, no need to change battery.It can automatically enter sleep mode to save power.Wake it up by pressing any key. 【Comfortable and quiet typing:】Quiet keyboard is designed with advanced low profile scissor,sleek,elegant and compact keyboard design, provide a responsive, comfortable typing experience and less noise.Suitable for use with home,office,especially in the library,coffee shop, or late work at night.