A220 Candy Color TPU Detachable Bluetooth Keyboard Leather Case with Bracket For Samsung Galaxy Tab A7 Lite 8.7 T220 T225Features:1. Not just a protective case, built-in bluetooth keyboard, more powerful2. The keyboard and leather case can be separated3. Bluetooth chip, fast speed, low power consumption, stable4. Precise cut for easy access to all buttons and ports, giving you smooth operation5. Bracket function, easy to use6. Easy to insert and remove7. Tablet and stylus are not includedProduct Specifications:1. Bluetooth version: 3.02. Effective operating distance: 10 meters3. Modulation method: GFSK4. Working voltage: 3.0-4.2V5. Working current: less than 2.5mA6. Standby current: less than 0.3mA7. Sleep current: less than 40 microamps8. Charging current: greater than 200mA9. Standby time: more than 100 days10. Charging time: 3-4 hours11. Lithium battery capacity: 200mAh12. Sustainable working hours: 100 hours13. Lithium battery life: 3 years14. Button force: 80+-10g15. Button life: 5 million clicks16. Working temperature: -10-55 degrees Celsius17. Weight: 378g18. Product size: 21.7x13.5x2.2cm