Made of quality PU leather + transparent acrylic case, durable for useSupporting stand allows for hands-free media entertainment Can be rotated 360 degrees horizontally, changing a variety of multi-angle useBuilt-in 200mAh lithium battery, convenient and practical to useThe 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: 200mAhSustainable working hours: not less than 30 hoursLithium battery life: 3 yearsButton force: 80±10gButton life: 5 million clicksWorking temperature: -10 to +55Charging port: Type-CSize: 25x20x2cmWeight: 546g 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