FlexiKeys USB Wireless 18-Key Numpad for Gaming & Quick Calculations Wireless Handheld Laptop Keyboard Compatible with Desktop, Laptop, Mac  (Black)

The device ensures a solid, convenient performance using its advanced 2.4 GHz radio frequency, allowing for an uncomplicated, immediate setup within a 10-meter radius, foregoing any installation software. It enables flawless, swift numeric entry with its 18 standard-sized keys, being the prime choice for accounting, data input tasks, and complex financial analysis. To increase battery duration, the unit features an automatic energy cut-off after ten minutes of no use (needs one AAA power source). Its light, thin profile is stabilized by gripping pads, working seamlessly with devices like personal computers, portable units, and smart tablets. Note of Concern: It is incompatible with Mac OS notebooks and Macbooks, as their special purpose keys are non-functional.