1. Complete range of specifications of consumables: This device can be used in combination with six specifications of consumables (disposable anesthetic laryngoscope blades) including adult large, adult medium, children, infant, newborn and premature infant, making up a complete range; 2. Stable and durable: The handle and catheter parts of this product are made of metal after subject to integrated processing and molding, which makes the product structure more stable, thus completely addressing the shaking and breakage at the joint between the handle and catheter of the product, and making the product more stable and durable; 3. Comfortable hand feel: The bilateral gripping part of the handle is made of soft rubber with integrated rubber encapsulation process to increase the anti-slip effect of the product, thus providing users with better grip comfort; 4. Magnetic charging: The product adopts the more advanced and reliable magnetic charging mode, instead of the traditional plug-in charging scheme, which makes its charging more convenient and greatly reduces the occurrence of charge failure due to loose interface or poor contact of the charging port caused by repeated plugging and pulling.