This Stylus Pen starts at one button and with elastic pure copper , it offers great sensitivity and high precision and also protects screen from heavy pressure. And it supports auto off after 30mins. Besides, it is compatible with most iOS, Android and Windows capacitive touchscreens. Feature: Easy to Use Press one button to start using it, no BT connection required. Sensitive & Precise Designed with elastic fine to improve using experience and also screen from heavy pressure. Protective It offers conservation against dust and damage. Saving It supports auto shutdown after 30mins to extend battery . Flexible Supply Charged through USB cable, you can charge it with adapter, Bank, laptop, etc. Intelligent Indicator Light It shows red light when charging, green light when fully charged and blue light when using. Wide Compatibility It is compatible with most of iOS, Android and Windows devices with capacitive touchscreen. And you can use it when drawing, working or playing games. Specification: Color: White, Black, Red, Blue, Rose Gold, Silver (Optional) Material: Aviation aluminum Battery capacity: 140mAh Charging interface: USB Charging time: 1H : Elastic Pure Copper , 1.45mm in diameter, 1.4mm in length Compatibility: Most iOS/Android/Windows devices with capacitive touchscreen Item size: 175* 9* 9mm/ 6.89* 0.35* 0.35in Packing list: 1 * Stylus Pen 1 * Charging cable