【Wide 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 smartphones 【Specification】 Material: Stainless Steel Tip feature: Replaceable Length: 5.2 in (132mm) Pen tube diameter: 0.35 in (9mm) Tip Diameter: 0.27 in (7mm) Weight: 0.81 oz (23g) 【Warning Reminder:】 Tip1: In general, the stylus pen will not cause scratches on the touch screen, but we still recommend that you use a screen saver on your device to protect the screen from any possible damage / scratches, which may be caused by dirt on the disc / screen, damaged tips or low probability defective products. Tip 2: Before using the stylus pen on the device, make sure that the device and the disc are clean. Dirt can attach to the disc, which can result in fewer connections and in some cases can even scratch the screen. Tip 3: Important DO NOT TRY TO REMOVE THE ROUND CLEAR DISC; it's main part to let the pen do the fine text and fine drawing tasks; if the clear disc removed (not replaced) the pen become damaged and will not work, this status will be Customer Misuse. Tip 4: Replaceable Tip Function: Both the tips can be replaced. Replacing can be completed within a second without tool , extending the service life of the stylus You can order separeltly the Pen spare tips (Mesh fiber thick tip and the clear round disc); you can find those in the our store products.