How do I set up the G435 with LIGHTSPEED wireless technology?
Insert the receiver into the USB port of your device and press the Power button for at least 1.5 seconds. The LED will turn cyan once connected, indicating successful LIGHTSPEED connection to your PC, Mac, PlayStation 5, or 4.
From the official Logitech G435 Lightspeed Wireless Gaming Headset manual, page 3
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