The button itself a soft sponge, so when you ' re tired, you can even use it as a pillow and take a! When you get stressed out, you can smash it without worrying about breaking your keyboard Unique enter pillow design, can help you noon break Perfect toy, help to improve work efficiency The, known as the Big Enter, easy to use You just plug the USB into your computer and it will recognize it as a " Enter Small,, easy to use.Light in weight and portable