Made of quality PU leather + transparent acrylic case, durable for useCan be folded as a bracket stand multi-angle adjustment, for hands-free media entertainment The keyboard has a built-in 420mAh large-capacity lithium battery, convenient to charge and useEquipped with 3 colors backlit so that you can normally use it at nightThe Bluetooth keyboard adopts a high-speed chip, which can connect to Bluetooth devices in secondsWith a pen slot for storage, you are not afraid of losing your pencils (pencil is not included) Specifications: Bluetooth: Standard 5.0Effective operating distance: 10 metersModulation method: GFSKWorking voltage: 3.7-4.0VWorking current: <8mAStandby current: <0.3mASleep current: <50uACharging current: >200mAStandby time: >100 daysCharging time: 2-3 hoursLithium battery capacity: 420mAhSustainable working hours: not less than 30 hoursLithium battery life: 3 yearsButton force: 80±10gButton life: 5 million clicksWorking temperature: -10 to +55With backlight: yesCharging port: Type-CSize: 25*20*2cmWeight: 566g Compatible with: iPad 10.9 (2022) Package included: 1 x Bluetooth Keyboard 1 x Protective Case 1 x Charging Cable 1 x English and Chinese Manual Other items not included