•[Compatibility] This case is compatible with Samsung Galaxy Tab S9 FE+ 12.4 2023 (SM 610 /X616)/S9+ 2023 (SM 810/X816B/X818U). 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 up/down, zooming in/out 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 sleep/wake 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 3.0/4.0/5.0/5.1) •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: