2-in-1 design, it is not only a Bluetooth keyboard protector but also a tablet case. The Bluetooth keyboard has a long-lasting button life, is durable to use, and is designed with a backlit The keyboard has a built-in lithium battery, convenient to charge and use. Made of high-quality PC+TPU material, supports auto wake/sleep Multifunctional keyboard case with adjustable kickstand, detachable keyboard, and smart trackpad for more flexibility when typing, watching, reading, and drawing The 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 device Concise appearance and delicate PU fabric, blend with the aesthetics of a tablet, a perfect fusion of art and technology Provides automatic sleep/wake feature by closing/opening this smart cover, helping in energy-saving and resulting in increased battery life Specifications: Operating current: <6mA Bluetooth version: Bluetooth 3.0 Charging time: 3H Operating range: within 10 meters Li-ion battery capacity: 500mAh Operating voltage: 3.0-4.2V Continuous working time: 14h