A220 Keyboard for Samsung Galaxy Tab A7 Lite 8.7 T220 T225 Features: 1. Protective case with built-in Bluetooth keyboard for enhanced functionality 2. Detachable keyboard and leather case design 3. Bluetooth chip ensures fast connection, low power consumption, and stable performance 4. Precision-cut design allows full access to all buttons and ports for smooth operation 5. Built-in support and elastic band for convenient use 6. Elastic band can securely hold a stylus (stylus not included) 7. Easy to insert and remove the tablet 8. Tablet not included Specifications: 1. Bluetooth version: 3.0 2. Effective distance: 10m 3. Modulation method: GFSK 4. Working voltage: 3.0-4.2V 5. Working current: less than 2.5mA 6. Standby current: less than 0.3mA 7. Sleep current: less than 40 microampere 8. Charging current: more than 200mA 9. Standby time: more than 100 days 10. Charging time: 3-4 hours 11. Lithium battery capacity: 200mAh 12. Sustainable working hours: 100 hours 13. Lithium battery life: 3 years 14. Button force: 80±10g 15. Button life: 5 million clicks 16. Working temperature: -10°C to 55°C 17. Weight: 378g 18. Product dimensions: 21.5 x 13.5 x 2cm