Easy to use: Touch Pen gently lift the magnetic cap. You will see the tip of the spare disk. Simply place the cap close to the end of the pen so that it sticks together. You can use it when the LED is blue. No adjustment necessary. .High precision: The ultra-fine 1.5 mm tip allows precise and smooth control. writing and drawing as natural as pen and paper, no skips, no delays, no scratches. The body of the pen is made of aluminum. The slim, slim pen body in your hands makes finding easier than ever. .Universal Compatibility: Our stylus is equipped with the latest capacitive technology which ensures that our product is widely compatible with most touchscreen products, including iPad, iPhone and Samsung Huawei Xiaomi tablets. .Long Battery Life: With micro USB charging port and built-in battery for 10 hours of active use and only 1-2 hours of charging time. Thanks to the smart power saving function, the tablet pen will automatically shut down every 30 minutes. .DaiYeisw's Service: If you have any questions, please don't hesitate to contact us. We offer 24 hour service. .