O188 Wireless Ring Controller User Manual
6
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PC:
PPT page sliding
* Before the slideshow, press the middle area of O188 and hold
for 3 seconds until the purple light turns yellow.
5
．
O188 Box Indicators
(1) Green light flashes: battery full
(2) Yellow light flashes: battery half
(3) Red light flashes: battery low
(4) Red light on: charging
6
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O188 Indicators
