【PRECISION / SENSITIVITY】 - The latest 1.45mm fine Tip and sensitive technology offers the better accuracy and compatibility, which gives you a comfortable writing&drawing experience when use on any smartphones and tablets. | 【2 in-1 TIP PRATICAL DESIGN】-2 in 1 copper tip & mesh tip.1.45mm Ultra fine copper tip gives you the accuracy and superior control.The mesh tip can be used without electricity. Please notice that there is no different press sensitivity, all lines are at the same thickness. | LONG WORKING TIME】- Supporting 8 Hours Continuous Work and 30 Days Standby Time for only 40 minutes per charging.Auto-off after 30 minutes of inactivity to save battery life. | 【WIDE COMPATIBILITY】 -Compatible with most touch screen devices including: iPad / Pro/ Mini/ Air, iPhone 12/11 pro max/ XS/XS MAX/ XR/ X/ 8/ 8 plus/ 7/ 7 plus/ 6S/ 6 plus, Samsung and other Android cellphones or Tablets. The pen is not suitable for use with Windows Systems . | 【NOTE】-If the Stylus pen is insensitive,see the following solutions:1. Make sure the Stylus pen has enough battery.2.If the words/letters you write are too small , it will skips or disappear.3.The low-quality screen protector or Toughened film which result in bad electric conductivity.4.Make sure your hand is not in touch with the screen. 【SERVICE】We offer professional After-Sales service, any problem will be responded promptly within 24hrs.