The latest 1.45mm fine Tip is of super conduction metal which can improve accuracy and reduce latency, and our sensitive technology offers the better accuracy and compatibility, which gives you a comfortable writing&drawing experience when use on any smartphones and tablets.Supporting 10 Hours Continuous Work and 30 Days Standby Time. Auto-off after 30 minutes of inactivity to save battery life. No Bluetooth or APP required, just press the power button, it can start work directly.The Stylus pen offers a palm rejection function which allows you to rest your palm comfortably on the screen while using this iPad pen. Get rid of the uncomfortable stylus glove. Effective distance: 1.6mm from the penWorking time: 8-10 hoursStandard accessories: USB chargerBattery specifications: 0.518wh 3.7v 140mahProduct color: black / red / white (more custom colors)Size: pen 1.45mm x pen diameter 9mm, total length 175mm Package Includes1 x Stylus pen1 x Mirco USB Cable