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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!