COMPATIBILITY: Astro A40TR A40 TR Gaming Headset. Note: Earpads not compatible with A50 GEN4 GEN3 GEN2 GEN1 Headset. QUICK INSTALL: With plastic mounting accessories, it can be installed directly. Package includes: *a pair of earpads *one headband. LONGER USE SUPERIOR COMFORT: Soft and fitting your ear, long time to wear without swelling, no pain even wear all day. ENHANCED SOUND: They fit comfortably on your ear without distorting sound. Constructed of superior grade memory foam, this ear pad set insulates your ears with a perfect fit so nothing but the purest sound reaches your ear. SIMPLE REPLACEMENT: Simply remove the old earpads and install the new replacement pads within seconds. They will never fall off easily.