Long Battery Life Playing Time: 10 Hours Stand-by Time: 30 Days Charging Time: 1 Hour Accuracy The 1.5mm tip provides accuracy and precision. Won't scratch the screen, no skip, no lag, write more freely. Magnetic Cap Equipped with a magnetic cover to prevent loss, the magnetism of the cap will not be affected when the stylus is powered off. One Button Switch One-button starts the stylus pencil, then you can turn on new creative possibilities anytime, anywhere. Tips 1.This stylus pen has NO Bluetooth function and does NOT support “palm rejection”. Please make sure your hand is not on the screen. NO pressure or tilt sensitivity. 2.If your phone or tablet was ever used with Apple Pencil through Bluetooth connection which prevents any other stylus pen from working with the touch screen, please forget the Apple Pencil on the Bluetooth and turn off the Bluetooth. 3.The stylus pen can swipe the screen, but can't write in a specific app. Please check the app settings or make sure the app supports handwriting. 4.If the stylus pen is sluggish and cannot write successfully on the device, it may be because the device is not working properly. Please restart the device or close other applications. 5.Generally, there is no scratch 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 caused by dirt on the disk / screen, tip damage or low probability defective products. 6.NOT compatible with Microsoft windows system device.