For 10th Generation 10.9 Inch 2022 Model Tablet, SA-10C Bluetooth Touch Keyboard Leather Case with Pen Slot Features: 1. Equipped with high-quality chips for stable performance. 2. Built-in 220mAh lithium battery provides up to 50 hours of continuous use. 3. Includes a Micro USB cable for charging; full charge in approximately 4 hours. 4. Auto sleep function: the keyboard automatically enters power-saving mode after 15 minutes of inactivity. 5. 59-key layout with 14 dedicated shortcut keys. 6. UV-coated keycaps with screen-printed legends, resistant to fading after extensive use. 7. Brushed surface finish on the keyboard for a premium texture and appearance. 8. Scissor-switch key mechanism for responsive typing with comfortable tactile feedback. Specifications: 1. Modulation Mode: GFSK 2. Operating Voltage: 1.8–3.6V 3. Charging Time: 4 hours 4. Battery Capacity: 220mAh 5. Continuous Usage Time: Up to 50 hours 6. Battery Lifespan: Up to 3 years 7. Standby Time: Up to 30 days