Features: 1.Convenient Charging: The for IOS pencil charging case has a built in 570mAh large capacity rechargeable battery, which helps keep your for IOS pencil from collisions and scratches 2.Input and Output: The for IOS pencil charging case Input 5 V 1 A, output for IOS pencil 1 (for IOS pencil first generation) : 1W; for IOS pencil 2 (for IOS pencil 2nd Generation) : 1.5W 3.Compatibility: The for IOS pencil charging case is compatible with the for IOS Pencil 1 (the first generation of the for IOS Pencil) and the for IOS Pencil 2 (the second generation of the for IOS Pencil) 4.Storage Function: When the for IOS pencil charging case is used alone, is a pencil charging case. The for IOS pencil charging case stores a pen and its accessories 5.Safety Protection: The for IOS pencil charging case supports metal foreign body detection, overvoltage protection, overcurrent protection, and overtemperature protection, making charging safer 6.Easy to Carry: The for IOS pencil charging case is compact and easy to carry, fitting into a bag, pocket, case, or anywhere you need specification:Item Type: For IOS Pencil Charging Case Material: PC, ABS Scope of Application: For IOS Pencil 1 (for IOS Pencil first generation), for IOS Pencil 2 (for IOS Pencil second generation) Input: DC5V 1A Pencil: Output 1 (for IOS Pencil 1) : DC5V/0.2A; Output 2 (for IOS Pencil 2) : 1.5W Charging Power: for IOS Pencil 1:1:1 W. For IOS Pencil 2:1.5 W Battery Capacity: 570mAh Lithium Ion Battery (included) Efficiency: Over 73% Interface: Type C Safety: Support Metal Foreign Body Detection, over Voltage Protection, over Current Protection, over Temperature Protection Size: Approx. 204 x 36 x 21mm / 8.0 x 1.4 x 0.8in PackageList: 1 x ForIOSPencilChargingCase 1 x Charging Line 1 x User Manual NoteShipped with Built in Battery