1. Wear-resistant POM material pen tip, threaded design can be replaced. 2. Metal shell spraying process, very soft coating. 3. Use directly after power on, no Bluetooth connection required 4. With magnetic adsorption function 5. Charging for 1 hour, standby for 3 years, continuous use for 16 hours 6. Pen tip: 1.44mm PIXELPOINT 7. Dimensions: length 164mm, diameter 9mm 8. Suitable for iPad Air (2019), iPad mini (2019), iPad 9.7 (2018), iPad Pro 12.9 (2020), iPad Pro 12.9 (2021)etc. 9. System: iOS 12.2 version or newer system is required, applicable to products after 2018 models