Fangrui Product Details 1. For Lenovo Pad Pro 11.5 Inch 2021 Tb-j716f Tab P11 Pro 11.5 Inch Tb-j706f Yam13 Backlight Style Lambskin Texture Detachable Round Keycap Bluetooth Keyboard Leather Tablet Case With Holder(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 Function, Easy To Use 8. Colorful Backlight Function, Add Atmosphere When Playing Games 9. Easy To Insert And Remove 10. Tablets Are Not Included 11. Specification: 12. Bluetooth Version: 3.0 13. Effective Distance: 10m 14. Standby Time: 100 Days 15. Continuous Working Hours: 70 Hours 16. Charging Time: 4-5 Hours 17. Lithium Battery Capacity: 200mah 18. Lithium Battery Life: 3 Years 19. Button Life: 5 Million Clicks 20. Leather Case Material: Fine Sheep Pattern Pu Material, Tpu Soft Shell