How do I turn off the backlight of HV-MS745?

Please hold down the DPI button for 10 seconds to turn off the light

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To change DPI, simply press the DPI button (the one next to the middle mouse wheel).

You can switch between 3 backlight modes of HV-KB558CM: Breathing mode, Always On, and Backlights Off. To Switch be...

Usually it's plug and play; For some devices, before use both headset speaker and microphone you need to finish the...

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$77.00 $87.00

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$77.00 $87.00