For Lenovo Tab M10 HD Gen 2 Touchpad Bluetooth Keyboard Leather Tablet Case 1. High-quality chips with stable performance. 2. Built-in 220mAh lithium battery, lasting up to 60 hours on a single charge. 3. Includes Micro USB cable for charging; full charge in approximately 3 hours. 4. Auto sleep function: keyboard automatically enters power-saving mode after 15 minutes of inactivity. 5. Compatible with iOS, Android, and Windows devices. 6. 59-key layout with 14 shortcut function keys. 7. Keys feature UV coating and screen printing, resistant to fading after extensive use. Keyboard surface has a brushed finish for enhanced texture. 8. Scissor-switch key mechanism for responsive typing and comfortable手感. Product Specifications: 1. Modulation mode: GFSK 2. Operating voltage: 1.8–3.6V 3. Charging time: 3 hours 4. Battery capacity: 220mAh 5. Continuous usage time: 60 hours 6. Battery lifespan: Up to 3 years 7. Standby time: 30 days 8. Dimensions: 258mm × 172mm × 7.7mm 9. Net weight: 560g