•The Bluetooth keyboard case is not only a keyboard but also a tablet case, convenient for a business trip •The Bluetooth 5.0 keyboard has a stable connection, a long-lasting lifetime •The keyboard has a built-in 250mAh large-capacity lithium battery, convenient to charge and use •Can be converted to a supporting stand for hands-free movie watching and web surfing •Designed with a Touchpad instead of the mouse, and a built-in pencil holder to store your pencil •Slim and lightweight design, convenient for travel, business trip, etc. Specifications: •Standard Bluetooth 5.0 interface •Working distance: within 10 meters •Modulation mode: GFSK •Working voltage: 3.0-4.2V •Working current: 60 hours •Battery life: 3 years •Key force: 80±10g •Key life: 5 million clicks •Operating temperature: -10℃-and55℃ •Charging method: Type-C Compatible with: •Microsoft Surface Pro X •Microsoft Surface Pro 8 •Microsoft Surface Pro 9 Package included: •1 x Bluetooth Keyboard Case •1 x Cable •1 x English and Chinese Manual •Other items not included Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.