【2-in-1 Design】Integrated keyboard and protective case eliminates the need for separate accessories - simply close for protection or open for typing functionality. 【Bluetooth-compatible 5.0 Connectivity】Instant pairing with 10-meter working range ensures seamless connection to tablets and phones without cables or delays. 【Multi-Color Backlight】Seven vibrant backlight colors (white, green, magenta, blue, cyan, red, yellow) provide comfortable typing in any lighting condition. 【Ultra-Long Battery Life】480mAh battery capacity delivers over 60 hours of continuous use with 100+ days standby time on a single charge. 【Multi-Angle Support】Adjustable stand provides optimal viewing angles for video streaming, office work, and typing tasks with stable support. 【Full-Size Comfortable Keys】Standard layout with 5 million keystroke lifespan and 80±10g key force for comfortable extended typing sessions. 【Integrated Touchpad】Large touchpad area enables precise cursor control and multi-touch gestures for enhanced productivity. Specifications: Connection Method: Bluetooth-compatible 5.0 Effective working distance: 10 meters Modulation method: GFSK Operating voltage: 3.0-4.2V Operating current: <2.5mA Standby current: <0.3mA Sleep current: <40uA Charging current: >200mA Standby time: >100 days Charging time: 2-3 hours Lithium battery capacity: 480mAh Sustainable working time: >60 hours Battery life: 3 years Key pressure: 80 ± 10g Key lifespan: 5 million clicks Operating temperature: -10 - +55℃ Compatible with Microsoft Surface Pro 12inch Microsoft Package included 1 x Keyboard 1 x English User Manual 1 x Charging Cable Specifications Brand N/A Color As Shown Packaging Type Colored Box User Manual (Language) English Gross Weight 0.627kg Volume Weight 0.309kg Package Length 28.700cm Package Width 22.900cm Package Height 2.100cm