【2-in-1 Design】Combines a protective case with an efficient keyboard, eliminating the need for multiple accessories and simplifying mobile productivity. 【Portable and Lightweight】Ideal for business travelers and students, offering burden-free mobile office capabilities. 【Enhanced Typing Experience】Provides laptop-like typing efficiency, addressing the common issue of slow and tiring input on tablets. 【Long Battery Life】With up to 100 hours of continuous work time, it eliminates "battery anxiety" during extended use. 【Integrated Touchpad】Features a built-in touchpad for enhanced navigation and control without touching the screen. 【With Stylus Holder】Built-in with stylus slot, keeping your S Pen (not included) secure and easily accessible. Specifications: Model: A240B-A Bluetooth-compatible Version: 3.0 Effective Operating Distance: 10 meters Modulation: GFSK Operating Voltage: 3.0-4.2V Working Current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current: >200mA Standby Time: >100 days Charging Time: 3-4 hours Battery Capacity: 150mAh Continuous Working Time: 100 hours Battery Lifespan: 3 years Key Force: 80 ±10g Key Lifespan: 5 million clicks Operating Temperature: -10℃ to +55℃