Fully Compatible with Touch Screen Devices with Android, Chrome, i - OS system i - Pad/tablet/smartphone. In the dedicated mode with the anti-inadvertent touch function that is applicable to i - Pad Pro 11/12.9 / i - Pad Air 3 /4 / i - Pad mini 5 / i - Pad 2020/2019/2018. Precise and Smooth A 1.5mm pen tip can replace your finger to execute finer instructions. No lag/offset/breaking point. Compared with the ordinary stylus pen, it has higher sensitivity, a more accurate signal, and a more comfortable hand. Palm Rejection Design Stylus pen with palm rejection technology provides a natural writing feeling and quick, effortless interaction with your screen, gives you more accuracy and control against the screen. - Pad with a glass screen protector. Easy to Use and Extra Long Standby No need to install Bluetooth or Apps, just turn on this active digital pen by simply touching the cap button, it will automatically turn in "Sleep Mode" after idle for 30 minutes to save power. 12 hours of continuous working, 80-100 mins charge, 365 days standby time. Product colour: White Model: K-811 Material: Aluminium alloy Features: Palm rejection / Power button to turn On/Off / Replaceable cap Smart Energy Saving: Auto-off after idle for 30 mins Input: 5V/0.1A / Connection: micro USB Battery: Built-in lithium battery 68430 130 m - Ah / Battery life: 15-20 hrs / Standby: 180 days / Charging time: 60-80 mins (Full charged) Compatibility: i - OS, Android, Chrome Product weight: approx. 18 g Product size: 178 mm F9 mm / Fine Copper Tip 1.5 mm In the box: Stylus Pen, Replacement Tip, USB charging cable, Documentation