【IMPORTANT INSTRUCTIONS】 1. Due to the materiel of the disc is conductive hard plastic, before using the stylus on your device, please make sure both the device screen and the disc are clean, dirt can catch onto the disc which may result in reduced sensitivity, and in some cases may even scratch your screen. 2. If you suspect that your disc has been damaged in any way, discontinue use. A damage disc may scratch the screen. Please replace with a new disc. 3. Please don't remove the clear plastic disc from the tip, or the tip won't work. Use it with the clear disc. There is no passive stylus tip as small as a pencil tip in this market. 4.When you use this pen for different Apps or devices, some of them need to switch to drawing mode or switch to hand writing mode. For example, when you use this pen in Apple Notes App, you will need to click the small pen writing icon, and then you can make drawing or writing.【HOW TO CHANGE THE DISC TIP】 If you want to change the disc, new disc is on the other side that covered by the sliver cap, please screw off the cap and you will see the disc tip. To replace the disc tip, please pull it out by holding the middle part of the small metal bar, then push a new disc tip into the stylus.【COMPATIBILITY】 Compatible with all capacitive touchscreen smartphones, tablets, laptops, computers, kindles; below is a partial compatibility List: Tablets: iPad Pro, iPad 2/3/4, iPad Mini 2/Mini 4, Galaxy Tab E/Tab A/Tab 8/Tab 9.7 and ALL other tablets Smart Phones:iPhoneX/iPhone8/8plus/iPhone7/7plus/6/6S/6 Plus/ 5/5S, Galaxy S8/S8 Plus/S7/S7edge/S7edge Plus/S6/S6 Edge/ Galaxy Note/Note II, and ALL other smartphonesPackage Included: 1 x stylus pen 1 x replaceable disc tip