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 for versatile use 3. Equipped with Bluetooth chip for fast connection, low power consumption, and stable performance 4. Precision-cut design allows full access to all buttons, ports, and features for smooth operation 5. Integrated support and elastic band for convenient viewing and 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: 10 meters 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 microamperes 8. Charging current: more than 200mA 9. Standby time: over 100 days 10. Charging time: 3–4 hours 11. Lithium battery capacity: 200mAh 12. Sustainable working hours: up to 100 hours 13. Lithium battery lifespan: up to 3 years 14. Button force: 80±10g 15. Button lifespan: 5 million clicks 16. Operating temperature: -10°C to 55°C 17. Weight: 378g 18. Product dimensions: 21.5 x 13.5 x 2cm