Compucessory CCS51302 Guide De L'utilisateur page 3

5. Pairing: Re-­plug the receiver into the USB port on your computer,
then press the connect button on the mouse. If the mouse does not
work after 10 seconds, pair them again. (The receiver has auto pairing
function).
6. The LED indicator on mouse flashes steadily when it is in pairing
mode and stops blinking when it is successfully paired with the
receiver.
7. When low battery, the battery indicator on the mouse will start to blink.
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