Fangrui Product Details 1. Square Button Bluetooth Keyboard Rotatable Holder Leather Case 2. Multi-angle Stable Support To Meet The Needs Of Different Angles. 3. Detachable Keyboard, Magnetic Adsorption, More Convenient To Use. 4. All-round Protection, To Prevent The Four Corners Of The Equipment From Bumping, Wear And Tear. 5. Low-noise Keys Do Not Disturb Others. 6. Bluetooth Chip, Stable Connection, Fast Speed And Low Power Consumption. 7. Parameters: 8. - Operating Distance: 10m Wireless Connection 9. - Interface: Bluetooth 10. - Key Life: 5 Million Times 11. - Duration: 100 Hours 12. - Lithium Battery Life: 3 Years 13. - Current: 500ma Easy To Clean And Maintain Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.