简变”是一款外形简洁、配色简单的按压笔。“简”是指简单的外型，“变”是指外壳颜色的可变化。笔尖上方的外壳是可变色区域，使用的是感温材料，它在不同的温度下会呈现不同的颜色。“简变”其简洁的外型，与复杂忙碌的生活形成了一种对比，旨在让人们在闲暇时间也可以拿起笔写写字，感受一份手写的宁静。

simpleness&change is a compact pen with simple shape and simple color matching. "simpleness" refers to the simple appearance, and "change" means that the shell’s color can be changed.The shell above the nib is a color-changing area, which is made of temperature-sensitive materials. It will show different colors at different temperatures.The simple appearance forms a contrast with the complex and busy life, aiming to make people can pick up a pen to write in their leisure time and feel the tranquility of handwriting.