Q: Where is the USB receiver?
A: The usb receiver is be stored in the bottom of the mouse?
Q: If the keyboard doesnt work, what should you do?
First, please check if the battery has power.
Second, please check whether the positive and negative electrodes of the battery are reversed.
Third, please check whether the power switch of the keyboard is turned on.
Fourth, replace the USB receiver, and ensure the USB port on the computer is in good condition.
Fifth, restart the computer or laptop.
If all else fails, you can make a replacement or return.
Q: If the keybaord buttons malfunction, how should you deal with it?
First, please make sure that the computer can run normaly.
If rule out the above, you can make a replacement or return.