Compatibility This case is compatible with Samsung GalaxyTab S7 11-inch Model SM-T870T875T878 2020 amp Tab S8 11-inch Model SM-X700X706 2022 Release Tablet. It will NOT work for any other model device High-Precision Trackpad Built-in touchpad with Control of Pointing Feature, makes it great for turning on APPs, clicking, sliding updown, zooming inout and viewing Multiple Viewing Angles The removable keyboard is used as part of the stand for the tablet. Support 3 viewing angles and built in anti-slip grooves. Move the keyboard forward or backward along the cover of the case, you can adjust the angle of the tablet to your preference Dual Protection Durable PU leather cover and anti-slip rubber-lined interior provide full protection for your tablet. Soft flexible TPU back shell protect for Samsung Tab from shocks, drops and impacts. Support auto sleepwake function by CASE ONLY mode Turn Your Tablet into A Laptop Real hard laptop style keyboard with high end ABS material. Not cheap silicone keyboard as other cases in market. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touchscreen Specifications Bluetooth version Bluetooth 3.0 upward compatible with Bluetooth devices 3.04.05.05.1 Effective distance 10 meters Standby time 100 days Continuous working time not less than 100 hours Charging time 2-3 hours Battery type lithium polymer battery Lithium battery capacity 280mAh Lithium battery life 2 years Key life 3 million clicks Modulation mode GFSK Operating voltage 3.0-4.2V Operating current 4-8mA Standby current lt0.3mA Sleep current lt40uA Charging current 100mA normal Material Keyboard cover PUTPU, Keyboard ABS