Technology sense hard core versatile box, mecha wind physics external backpack, naturally integrated and independent. Zero induction magnetic suction device, redefine the relationship between bags. Break the conventional design, only for you who are different. Detachable magnetic integrated case and bag can be opened and closed freely, which can be taken and left immediately, and can flexibly meet various travel needs. It can absorb the body at any time, change the backpack into the front warehouse, instantly liberate the shoulders, and travel is more enjoyable. The large wheelbase light tone universal wheel can easily deal with various road conditions such as stones, potholes, soft low carbon, etc. When the box is upright, the front compartment can be opened and closed quickly, which is convenient for taking and placing computers, headphones, chargers and other high-frequency items anytime and anywhere during the journey. Adjustable X-type webbing, elastic to accommodate large clothes; The breathable closed U-shaped bag has its own places for personal belongings, and the small and odd items are stored closely to protect personal privacy. When the case and bag are closed, the falling load can reach 15kg. Even if you pass through rough roads such as stones and potholes, you are not afraid of the accidental falling of the bag.