Use for Logitech G533 / G733 / G933 / G935 / GPRO X2 gaming headset. Model: G533, G733, G933, G935, GPRO X2. The 1st Gen and 2nd Gen headphones receiver are not compatible with each other! Compare the area marked by the red circle in the image below（Right side of G733 earphones (side without power button)）.
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