GYLPKB
Low-power indicator LED’s on the keyboard will blink when batteries need replacing.
The keyboard have already been synchronized.To reestablish contact for the keyboard press the connect button of the mouse for 5 seconds.When the receiver blinks,the keyboard is connected.
When the batteries become low,the LED battery indicator on the top of the keyboard will blink.The keyboard can continue to operate for a period of time depending on usage,but batteries should be replaced immediately.
Press the connect button on the back side of the keyboard for 5 seconds.While the receiver blinks,release the connect button.