Convenient&Fast
The portable and sturdy YOHOOLYO wireless numeric keypad with receiver provides you with convenient use-just plug the receiver into the USB port, No device drivers are required.

You will love it after one use!
Besides accountant, every notebook or laptop pro will become dependent on the numeric keypad after one try! Use it, you will find your work efficiency and productivity improved greatly!

Easy to use：
1.Open the rear cover of the keyboard, install one AAA battery(Not included the package, Note the positive and negative directions).
2.Insert the receiver to the device's USB interface, and then computer will install the driver automatically, Finally, you can use this Numeric Keypad.

Power consumption of the YOHOOLYO Wireless USB Numeric Keypad
1 The hourly power consumption is 1mAH, for example, a AAA battery is 500mAH, it can be used for about 20 days
2 After the battery is installed, the indicator light goes out, indicating that the battery is detected
3 If there is no operation for an hour, the keypad automatic standby. At this point, the chip will automatically cut off the power supply, so there is no need to worry about the excessive battery consumption, even if the battery is not removed
4 When the key input is detected, it will be activated automatically.
5 They all work in the same frequency.

Package contents:
1 x 2.4G Wireless Numeric Keypad Black
1 x Wireless USB
1 x User Manual

Note:
1.AAA battery is not included.
2.When the red light blinks，it indicates the battery is low, please kindly replace the battery.
This numeric keypad may not fully compatible with Mac system. (Function keys do not work, while numeric part works fine.)

Any question during use, please kindly contact our store to get the best after-service.