Features: metal pen (ball pen), no need to replace, durable, disc width 7mm, super long life, intelligent wake-up sleep, energy saving, no need to install any software, can be used directly!————————————————————————————————————————————————————————————————Active rechargeable capacitive touch pen for IOS Android*Compatible with most popular devices: IOS / Android / Microsoft devices, iPad, iPad air, ipad Mini, iPhone, Huawei, Lenovo, ASUS, Samsung Galaxy, nexus, Sony, LG g pad, HTC and other touch screen devices