【Key Backlight】 Features a key backlight, enabling easy typing in low-light conditions 【Adjustable Angle】 The back panel can be adjusted, providing a comfortable viewing angle 【Touch Control Board】 Includes a responsive touch control board for precise navigation and control 【Aluminum Alloy Shaft】 Built with an aluminum alloy shaft that can withstand multiple openings and closings, ensuring durability 【High-Quality PU Leather】 The case is made from high-quality PU leather + PC + TPU, 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: Bluetooth-compatible: 5.3 Operating Voltage: 3.0 - 4.2V Number of keys: 84 keys Continuous working time: ≥ 5 hours Working current: ≤ 120mA Standby current: 1mA Low battery alarm: 3.0 - 3.3V Battery capacity: 500mAh Standby time: ≥ 100 days Key life: 3 million times Battery life: 3 years Connection distance: ≤10 meters Key strength: 50 - 70g Charging current: ≤ 300mA Charging Interface: Type-C USB Wake-up time: 2-3 seconds Charging time: 2-3 hours Operating temperature: -10 - 55℃