Features: Smooth cloth pattern PU material TPU soft shell all-inclusive protective cover Built-in pen slot Support charging function Detachable Bluetooth keyboard Bluetooth 3.0 standard interface Effective operating distance of 10 meters Modulation method: GFSK Working voltage: 3.1-4.2V Working current: 3.0mA Sleep current: 0.1mA Charging current: 200mA Standby time: 95 days Charging time: 2 hours Lithium battery capacity: 200mAh Sustainable working hours: 76 hours Lithium battery life: 3 years Button force: 50-80g Button life: 3 million clicks Working temperature: -10 ~ 55 degrees CelsiusSpecifications: Product Weight: 395G (13.93 ounces) Material: Pu, Tpu Bluetooth Version: 3.0 Operating Distance: 10 Meters (32.81 Feet) Battery Capacity: 200 mah Button Force: 50-80G Button Life: 3 Million Clicks Working Temperature: -10 ~ 55 Degrees Celsius (14 ~ 131 Degrees Fahrenheit)Package Includes: 1 x Hk006C Detachable Bluetooth Keyboard Leather Tablet Case With Touchpad & Holder For Ipad Mini 6 Black