【Key Backlight】The Bluetooth keyboard features a key backlight, enabling easy typing in low-light conditions 【Adjustable Angle Stand】The back panel angle can be adjusted, providing a comfortable viewing angle 【Touch Control Board】Includes a responsive touch control board for precise navigation and control 【High-Quality PU Leather】The case is made from high-quality PU leather, offering a delicate touch and premium feel 【Lightweight and Portable】Designed to be lightweight and portable, making it easy to carry and use anywhere 【Strong Magnetic Core】The back panel has a strong magnetic attraction, keeping your device stable and secure Specifications: Weight: 560g Bluetooth version: 5.0 Effective working distance: 10 meters Modulation mode: 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: 400mAh (backlight) Sustainable working time: >60 hours Battery life: 3 years Key force: 80 ± 10g Key life: 5 million clicks Operating temperature: -10 - +55℃