Perfect compatibility only with Old Razer Blackshark V2 and V2 Pro headphones. (Non 2023 model). (Please note: Not compatible with Blackshark V2 Pro (2023)/BlackShark V2X and other Razer series headphones.) Easy to install: Our earmuffs come with plastic buckles, making installation very simple. Just remove the old ear pads and install the new earmuffs on the headphones. Longer service life and superior comfort: professional cooling gel is designed for long-term, crack free durability. The ears are so comfortable that they forget the earphones or even turn them on! These cushions are designed specifically for long-term wearing of headphones. Sound enhancement: The ear fit is due to the stronger memory foam buffer, which can perfectly isolate the sound from the environment and enhance every beat transmitted through the headset. Comfortable: Relieve the uncomfortable pressure caused by strong clip headphones during prolonged listening. Package: Upgrade cooling gel ear pad (with plastic buckle) x 2, microphone foam x 1, plastic gadget x 1.