The Matias Wireless Multi-Pairing Keyboard for Mac is a slim, wireless (Bluetooth) keyboard with a similar layout to the familiar Apple Wireless Keyboard. It has a numeric keypad. It has a rechargeable battery with a typical battery life of 3 months before needing charging, It has the ability to pair to four Bluetooth devices at the same time, and easily switch between the four devices with the press of a button. It has a plastic case, so is a budget-priced version of our higher-end keyboards.