2-in-1 design, it is not only a Bluetooth keyboard protector but also a tablet case. The Bluetooth 3.0 keyboard has a long-lasting button life, is durable to useThe keyboard has a built-in lithium battery, convenient to charge and use. Made of high-quality PC+TPU material, supports auto wake/sleepMultifunctional keyboard case with adjustable kickstand, detachable keyboard, and smart trackpad for more flexibility when typing, watching, reading, and drawingThe strong anti-drop protective case fits snugly against the body, and with the patented lens slide design, it provides reliable protection for the front, back, four corners, and camera of the deviceConcise appearance and delicate PU fabric, blend with the aesthetics of a tablet, a perfect fusion of art and technology Specifications: Bluetooth: 3.0 BluetoothEffective distance: within 10mWorking voltage: 3.0-4.2VWorking current: < 6mAStandby duration: > 180 daysCharging time: 2.5 hoursLithium battery capacity: 180mAhWorking time: > 120 hours Compatible with: iPad Pro 12.9 (2020) iPad Pro 12.9 (2021) iPad Pro 12.9 (2022) Package included: 1 x Bluetooth Keyboard Case Other items not included