1.IT Is A High Quality And Lighting Stylus Pen with Frosted Aluminum Alloy-Surface Which Makes You Feel Comfortable When Holding It.2.Tip of The Stylus Is Made From Alloy Which Doesnt Scratch On Any Device Screens. It Is Smooth And No Need To Replace.3.The 1.8MM Tip Works Precisely for Marking with Fine And Clear Lining. 4.ITS Battery Approximately Maintains 8 Hours After Charging And Standby 30DAYS.PLUS・ Automatically Turn Off After 30 Minutes of Standby Mode. 5. It Makes You More Convenience with Usb Charging Instead of Batteries.