Made of high-quality sponge , it is not easy to age, durable and has a long service life. It can be used to replace the Enter key on the keyboard, rest sleeping mat, decompression gift, etc. Applicable to desktop computers, notebook computers, PC computers, notebook computers, etc. Plug the USB cable into your PC, and it will be recognized as the "ENTER" key. This button itself is made of soft sponge , so when you are tired, you can even take a nap with it as a pillow When you feel too much pressure, you can hit it with force without worrying about damaging the keyboard Plug and play, no other tools, easy to use. Application: desktop computers, Type:USB Enter Key color:Black :Sponge+cloth size:140 x 200 x 100mm Package Contents: 2 x USB Enter Key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.