Precise/ SensitivityThis fine tip Stylus Pens with 1.5mm accurate copper fine point tip end. It ensures more accurate and sensitive working performance and superior control against the screens. No need to replace the pencil tip. It's recommended to use the film to better protect the screen of your electronic devices. Easy to useOne second startup, No Bluetooth or USB connection required. You only need to press the button once (Blue light on), and this stylus pen for iphone to hand-writing note-taking, drawing or design on an electronic device on your tablet or smartphone. The convenient design is popular among artists, journalists, engineers, teachers and students, game players etc. Wide CompatibilityPen works with most android and ios touch-screen devices including: iPad / Pro/ Mini/ Air, iPhone XS/XS MAX/ XR/ X/ 8/ 8 plus/ 7/ 7 plus/ 6S/ 6 plus, Samsung pen Galaxy, Lenovo, Huawei, Android, tablets, Microsoft and other touch screens. Long Battery LifeThis iPad stylus pencil with a length of 173mm and a weight of 16.8g has a built-in battery to provide 8-10 hours of use, and using Micro USB can fully charge your pen within 60-90 minutes (charging input 5V)At the same time the rechargeable pen has intelligent power saving function, the pen automatically turns off the power every 15 minutes to protect battery life. Warm Tips & Satisfactory Service If the ipad stylus pen is insensitive, please see the following solutions: Make sure the stylus pencil has enough battery. Make sure your hand is not in touch with the screen. If the words/letters you write are too small, they will skip or disappear. The low-quality screen protector or Toughened film results in bad electric conductivity.