Trust Wireless Calculator Keypad & Mouse KP-4100p

Wireless numeric keypad with built-in calculator and compact wireless optical mouse. The perfect supplement to the keyboard of your notebook; ideal for financial applications and spreadsheets. Calculations can be sent to active computer programs directly. Compact USB receiver that can be stored inside the bottom of the keypad. With Num lock, backspace and double zero key. Basic functions also possible, like Home, End, Page up/down, etc..