Specification Parameters Function Painting writing notes touchCompatible use for Android phones for Apple phones for ipad Pro all brands of flat panel capacitive screen devices Not fit for Microsofts Material pen body aluminum pure copper pen tip pen tip with protective film does not hurt the screen Effective distance 1 6mm from the penWorking time 8 10 hoursPower Supply USB chargingBattery Rechargeable Battery Built in Battery is not included Battery specifications 0 518wh 3 7v 140mahProduct color Black SilverSize pen 9mm x total length 143mmLight introduction press the button once the LED light is on you can use it press the button again turn off the light the LED light goes outPackage Includes 1x Stylus Pen1x USB Changer