Features: 1.45mmsuperb endurable POMp-lastic penhead,smoothwritingandpainting,screen-p-rotective. Compactandlinghtweightergonomic design,nicehandfeeling. Heatresistance, impactresistance,smallfrictioncoefficientandbetterselflubrication,providesyoupracicaluseexperience. Anti-Lost m-agnetic capdesign,you can simply cover the pen cap with m-agnetic suction or remove it without lost. Built-in 140mAhrechargeablecell,itislong-lastingwithflexible USBchargeingport. Perfectlyreplacementfor Android/IOS，Ipad Air Pro, Mini 1 2 3 4.