u3010Premium PU Leather and TPU Case u3011Made with business-style PU leather on the outside and soft TPU material on the inside, this case offers a sleek and professional look while providing excellent protection for your device. u3010Bluetooth 3.0 Compatible Keyboard with Long-Lasting Battery u3011Equipped with Bluetooth 3.0 and a 200mAh battery, this keyboard delivers reliable and long-lasting performance, ensuring efficient use for both work and play. u3010Detachable Keyboard with Secure Magnetism u3011The keyboard is easy to remove from the case, and its strong magnetism ensures it is firmly attached and prevents it from slipping during use. u3010Convertible Stand for Hands-Free Viewing u3011Turn your case into a convenient stand for watching movies, browsing the web, or making hands-free video calls, providing optimal comfort and usability. u3010Pen Holder u3011Designed with a convenient pen holder, this case keeps your stylus (not included) safely stored and easily accessible when you need it. Specifications: Support Bluetooth interface standard: Bluetooth 3.0 Effective operating distance: 10 meters Modulation method: GFSK Working voltage: 3.0-4.2V Working current: u0026lt;2.5mA Idle current: u0026lt;0.3mA Quiescent current: u0026lt;40uA Charging current: u0026gt;200mA Standby time: u0026gt;100 days Charging time: 3-4 hours Lithium battery capacity: 200mAh Sustainable working hours: 100 hours Lithium battery life: 3 years Button power: 80 u0026plusmn; 10g Key life: 5 million clicks Working temperature: -10-+55 u2103