Anker Pencil is compatible with the iPad Pro 12.9-inch (third generation or later), iPad Pro 11-inch (first generation or later), iPad Air (third generation or later), iPad (sixth generation or newer) and iPad mini (fifth generation or newer). The stylus for iPad from Anker should connect to the tablet via Bluetooth 5.3. The battery life is specified as 8 hours, the charging time via USB-C connection with 25 minutes. It supports tilt sensitivity but not pressure sensitivity. Battery Capacity 130mAh Material Aluminum Wireless charging is not possible Anker Pencil comes with two tips and is compatible with Apple Pencil tips.