Pairing the Ultraslim Keyboard/Mouse Lenovo

It appears that after a long period with a dead battery, many of the devices are no longer paired with their USB dongles.
How To Pair the Keyboard
Press the F2, F3, and F4 keys at the same time.
Put the batteries in the battery compartment and close the cover.
Release the F2, F3, and F4 keys and press 3 key one time.
Keyboard will be successful in pairing with the receiver

 

How To Pair Mouse

For REV:V01 and REV:V02,
1.Insert dongle into a USB port
2.Install battery to the mouse
3.Press and hold the left-click and right-click button ONLY! (e.g. 2 buttons only, not include the scroll button)
4.Power on the mouse with buttons mentioned above keep holding
5.Now the mouse indicator lighted as ORANGE, not red or green and not sprinkling, just lighted in orange. Then place it next to the dongle (in my cases, just 2~3cm in between). It will quickly turn into green light which means connection made, or turn into red which means you have to try again from the very beginning.
6.Release the two holding button and now your mouse would be working fine.

For REV:V03,
1.Insert dongle into a USB port
2.Install battery to the mouse
3.Hold all 3 mouse buttons (left, right and scroll).
4.Power on the mouse. LED won’t light up at this moment.
5.Release the 3 buttons, then immediately tap and release all 3 buttons again.
6.The mouse will blink ORANGE twice. As it blinks orange quickly press and hold all 3 buttons again until a solid green light appears.
7.Now your mouse would be working fine.

For REV:V04,
1.Insert dongle into a USB port
2.Install battery to the mouse
3.Press and hold the left, middle and right buttons
4.With the mouse in close proximity to the receiver, power on the mouse. LED won’t light up at this moment.
5.Release the buttons and press them (all 3) again. after about 1 second release the buttons and the led will blink orange 3 times.
6.Immediately press the middle-button – the led will light solid orange
7.Keep pressing the middle-button until the led turns green. the mouse is now paired.