Palm Rejection Technology Conveniently Place Your Palm On The Screen While You Writing Or Drawing, You Don't Have To Wear The Anti-friction Glove With This Pen. .. Write without delay this pen writes smoothly and without delay.. Tilt function (pen state) Upgraded tilt and thickness function, the bigger the pen tilt area, the thicker the line So it is very suitable for drawing. .. Can be used for a long time working time: charging 90 minutes, working 20 hours, standby 90 days .. Touch for easy on/off on/off , just touch the tip of the pen header. .. Power outlet light indicator: Type C .. Plastics head is the official iPad pen material. High quality backup head makes you write better. Charger IndicationGR-D : 4 led indicator light ,one blue light:1%-25%.