LMP Bluetooth Wireless Keypad for iMac/MacBook Pro/MacBook Air (WKP-1314) TROUBLESHOOTING:Kindly refer user manual and troubleshooting guide attached in this page before use. 28 key wireless (Bluetooth) keypad for easy and fast working with figures, tables, calculations, spread sheets, etc. Linkage bar connects the keypad seamlessly with the Apple wireless keyboard - a perfect alternative solution to the USB keyboard! Can be used as a stand-alone wireless keypad with any Apple MacBook or MacBook Pro or any Apple bluetooth-enabled computer.Keys include figures 0-9, operaton keys, hot-keys, page up/down, arrow up/down, delete forward, enter function key Designed to fit the Apple wireless keyboard in an elegant way.Broadcom Bluetooth Chipset