Intelligent Detachable Touch Bluetooth Keyboard Leather Tablet Case with BacklightPen Slot 1. Bluetooth Version: 5.2 2. Effective Operating Distance: 10m 3. Working Voltage: 3-5V 4. Standby Time: More than 30 days 5. Charging Time: 2-3 hours 6. Continuous Working Time: (without backlight) >25 hours, (with backlight) <3 hours 7. Key Lifespan: 5 million clicks 8. Detachable Keyboard: Can connect to up to 3 devices simultaneously and switch between them 9. Detachable Base Case: Can be used as a stand case, is lightweight and enhances the gaming experience 10. Equipped with Seven-Color Backlight: Creates a rich, high-tech and cool atmosphere 11. Touchpad Design: Enlarged touch area for precise control 12. 1mm Key Travel Scissor Switch Keys: Provides a sensitive and comfortable typing experience 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. Sold by-YJL official store