Active Stylus Pen with 1.9mm Fine Tip for iPad Mini,iPad Air,iPad Pro,iPhone 7,iPhone 6,iPhone 5,Samsung,Smart Phones & Tablets & Notebooks (Purple) [1.9mm Adjustable Fine Tip]: the newest Tip-Sensitive-Adjustable technology provides a more accuracy & adaptability for using on most smart phones or tablets to get a seamless pen on paper writing experience. [Real Test Compatibility]: iPad 1 2 3 4; iPad Mini 1 2 3 4; iPad Air 1 2; iPad Pro 9.7(Suggest without screen protector or below 0.3mm); iPad Pro 12.9(Can only write without screen protector, if install screen protector, it will not work); All Samsung smart phones and tablets. Most other brand smart phones and tablets; Can write on Asus/Dell/Surface notebooks fluently based on real test; Can not write fluently on Samsung/Lenovo Notebooks based on real test. [App Worry Free]: it works with almost all APPs, like Note Taking Apps, Drawing Apps, Handwriting Apps, Games, Adobe, Sketchbook pro, Procreate, Zoomnotes, Evernote, Paper by Fiftythree etc. [Easy to Set up & Use]: no pairing nor software needed, simply insert the AAA battery in the housing and it can work continuously up to 12 hours. [What you get?]: 1.9mm adjustable active stylus, AAA battery, 18-Month Hassle-free Warranty and Friendly Customer Service