1. Nice Compatible: Perfectly compatible with Hifiman SUNDARA HE-400 HE400i HE400S HE-4XX HE-4XXs HE500 HE560 Headphones. 2. Please note: Not compatible with Hifiman Ananda / Ananda-BT / Deva / Edition XS and Hifiman other series Headset. 3. Easy to install: Since the ear pads contain plastic buckle, it is easier to install, and the whole process is short and painless. No special tools are needed. 4. Unmatched Comfort : Professional-grade velour is designed for long-term, crack-free durability. These high quality replacement pads are specifically designed for long-term comfort so you can enjoy long gaming sessions with your headphones pain free. 5. Noise Reduction: It can reduce the noise coming from outside, and to enhance the fidelity of your audio by cushioning the vibrations between your ear and the headset, providing more vibrant sounds. Colour:black Material:sponge+flannel Package Contents: 1 Pair of Black Velour Ear Pads ( with Plastic Buckle ) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.