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How to connect it with Smart TV/Raspberry

Pi (Windows/Android System):

 

The same way as above one

.

 

3.Touchpad become unstable /insensitive or
 type the letter, they are 

 on the screen.

  Charge battery for several hours.

4.No response or need to press several times 
   from a long distance.
 

  

stuck

To avoid the RF-signal blocked by TV metal case 

 Please use the supplied extend USB cable

FAQ

1.The computer can not recognize the USB receiver?

  

No reaction or unwanted  disconnection with the 

  

keyboard

 

Please plug  the USB receiver into the USB 

  

port in the computer and press 'FN' then 'RF" 

  

simultaneously on the keyboard ( LED director will blink).

  

The director will go off a few seconds later ,which means 

  

the keyboard is paired with the computer then.

5.The multi media keys can't work 
  

  Update player version or install relevant driver. 

    It's same with Logitech

Note: For Windows system, insert USB dongle, it 
would take minutes to install driver automatically

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