Attaches Magnetically enter standby intelligently One second switch one click turn on. Unnecessary to connect to Bluetooth or app Tilt and bold ruction tilt and pressure sensitivity Support for palm rejection Better battery life. Built-in 80mAh lithium battery, charging for one hour, using for 8 hours Line width variation with pressure when tilting Removable and replaceable tip and pen cap Standby time up to 30 days 1 active tip included Palm Rejection support Can be attached to the metal frame of the iPad using built-in magnets