Sunreed 2in 1 USB 2.4G Numeric Keypad with Calculater Wireless Receiver Numeric Keypad Tablet with USB Hub 29 Keys for Microsoft Mac Vista Win 7 8 Xp 2000 Tablet Laptop Numeric Mac Wireless Tab

• 29 keys?2.4G mini wireless numeric keyboard? 25 feet from the computer?can be used either as a calculator or as a remote numeric keyboard for the computer
• Four rubber feet on the bottom keep it firmly in place?10 digit LCD screen is large and very easy to read
• With Solar Power?you don't need battery when you use it as calculator?if you use it as numeric keypad?must intall 2pcs AAA battery in ( NOT INCLUDE IN THE PACKAGE).Press"CONNECT" key to connect it to the computer?press"SEND"key to send the calculate result to PC
• For connect it to your computer?connect the USB dongle to your computer. Press the blue connect and you will see a wireless connection symbol appear. Press the PC/CAL button and a K will appear in the upper right portion of the LCD display.
• Package include:1 x pocket calculator numeric pad + 1 x USB Receiver?Need 2pcs AAA battery? not include in the package.