What do the LED colors indicate for battery status?
Battery 31-100% shows green LED for 5 seconds, battery 15-30% shows red LED for 5 seconds, and battery below 15% shows flashing red LED for 5 seconds. Single-press the Power button when the headset is ON to check battery status.
From the official Logitech G435 Lightspeed Wireless Gaming Headset manual, page 8
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