Bluetooth Keyboard Leather Tablet Case 1. Features high-quality chips for stable performance. 2. Built-in 150mAh lithium battery provides up to 200 hours of usage time. 3. Includes a Micro USB cable for charging; fully charges in approximately 3 hours. 4. Auto sleep function: enters power-saving mode after 15 minutes of inactivity. 5. Compatible with iOS, Android, and Windows systems. 6. 59-key layout with 14 shortcut keys designed for . 7. Keys feature UV screen printing with durable coating, resistant to fading after extensive use. Keyboard surface has a brushed finish for enhanced texture. 8. Scissor-switch key mechanism ensures sensitive typing, fast response, and comfortable手感 (removed non-English term). Product Specifications: 1. Modulation mode: GFSK 2. Operating voltage: 1.8–3.6V 3. Charging time: 3 hours 4. Battery capacity: 150mAh 5. Continuous usage time: 200 hours 6. Battery lifespan: Up to 3 years 7. Standby time: 30 days 8. Dimensions: 248mm × 150mm × 6.4mm 9. Net weight: 460g