Familiar Number Configuration for Efficiency: Forget hunting through a full row of numbers on no numpad keyboards. This keypad is a must-have for those who needs intense data input but is not used to typing with that kind of keyboards. Portable and Sturdy: Type wherever you like thanks to the slim and portable design (195g weight; 143mm*118mm*14mm). It also built with the high quality of ABS material that keeps it from falling and scratching. Backlit Keys for Any Lighting Environment: The keyboard with 7 colors and 3 levels of brightne allow you to type day or night. The backlit shortcut keys (Esc + the arrow keys) allow you to manually adjust the color and brightne of the keys. Reliable 5.0 Bluetooth Connection: The strong and secure Bluetooth connection allows you to work efficiently with a 10m range. You only need to pre CONNECT button to enter Bluetooth pairing mode. Long Lasting Rechargeable Battery: It can work up to 220 hours without backlighting thanks to auto-sleep power saving mode and an/off switch button. Note: The battery life may vary based on use and computing conditions. Wide Compatibility: The keypad is compatible with both Windows and mackbook devices. Please configure the keypad to the corresponding operating system after paring it. Seamle Bluetooth Connectivity The strong and secure Bluetooth connection allows you to work efficiently with a 10m range. Backlit Keys for Any Lighting Environment The keyboard with 7 colors and 3 levels of brightne allow you to type day or night. Portable and Sturdy Type wherever you like thanks to the slim and portable design (195g weight; 143mm*118mm*14mm). It also built with the high quality of ABS material that keeps it from falling and scratching. Shortcut Keys for Data Input Forget hunting through a full row of numbers on no numpad keyboards. This keypad is a must-have for those who needs intense data input but is not used to typing with that kind of keyboards. Wide Compatibility The keypad is compatible with both Windows and MacOS devices. Please configure the keypad to the corresponding operating system after paring it. Long Lasting Rechargeable Battery It can work up to 220 hours without backlighting thanks to auto-sleep power saving mode and an/off switch button. Note: The battery life may vary based on use and computing conditions.