Fangrui Product Details 1. Ya870b Detachable Lambskin Texture Round Keycap Bluetooth Keyboard Leather Tablet Case With Pen Slot & Stand For Samsung Galaxy Tab S7 T870 T875 11 Inch 2020(black) 2. Features: 3. Not Only A Protective Case, Built-in Bluetooth Keyboard, More Powerful 4. The Keyboard And Leather Case Can Be Separated Design 5. Bluetooth Chip, Fast Speed, Low Power Consumption, Stable 6. Precise Cutting, Easy Access To All Buttons And Ports, Providing You With Smooth Operation 7. Support And Pen Slot Function, Easy To Use 8. Round Keycap 9. Easy To Insert And Remove 10. Tablets Are Not Included 11. Specification: 12. Bluetooth Version: 3.0 13. Effective Distance: 10m 14. Continuous Working Time: 70 Hours 15. Standby Time: 100 Days 16. Charging Time: 4-5 Hours 17. Lithium Battery Capacity: 200mah 18. Lithium Battery Life: 3 Years 19. Button Life: 5 Million Clicks 20. Note: The Actual Product Is Subject To The Title Model, The Model Of The Picture Is For Reference Only