•【Laptop-Style Workstation】The keyboard can be connected with leather cover (not included) by magnetic adsorption,and change into the working mode of laptop. •【Bluetooth-compatible 5.0 Connectivity】Advanced Bluetooth-compatible 5.0 technology ensures a stable and efficient wireless connection for Surface Pro device. •【Long-Range Operation】Enjoy a generous 10-meter effective operating range,allowing for flexible use in various settings. •【Extended Battery Life】With a 500mAh lithium battery,experience over 100 hours of continuous work time and an impressive standby time exceeding 100 days. •【Backlit Keys】Illuminated keys enhance visibility in low-light conditions,improving usability and productivity. Specifications: •Bluetooth-compatible Version: 5.0 •Effective Operating Range: within 10 meters •Modulation Mode: GFSK •Operating Voltage: 3.7V •Working Current: Less than 3mA •Standby Current: Less than 0.3mA •Sleep Current: Less than 40μA •Charging Current: Greater than 200mA •Standby Time: Over 100 days •Charging Time: 2-3 hours •Battery Capacity: 500mAh lithium battery •Continuous Working Time: Over 100 hours •Battery Lifespan: 3 years •Key Pressure: 80±10g •Key Lifespan: 5 million clicks •Operating Temperature: -10℃ to +55℃ Compatible with: •Microsoft Surface Go 3 •Microsoft Surface Go 2 10.5 inch •Microsoft Surface Go 4 Package included: •1 x Keyboard •1 x Charging Cable •Other items not include