Reddit reviews I Focus 2 in 1 Wireless Numeric Keypad with Calculator Function, USB Financial Accounting Numpad Solar Power 29 Keys Number Pad for Laptop Desktop PC Windows XP

The wireless usb numeric keypad can use a calculator or the keyboard mode The switch (PC/CAL) between them.And solar keyboard, you don't need the battery, when you use it as a calculator, if you use it as a numeric keypad, you need to install 2 aaa batteries (not including battery)When calculator and computer connection, install batteries, you can click "connect" button to connect to the computer, and then you can press the "send" key calculation results will be sent to the computer.Compact, convenient wireless keyboard backspace Big, full size, soft concave button to improve efficiency. Plug and play.Keyboard digital display is clear, effective distance of 10 meters and 2.4 g frequency operation. 29 key design, the key is suitable for the size of the office.