Xiaomi has released a Korin Zero backpack with a built-in cooling system.

A fan is placed in the back, which rotates at a speed of 3500 rpm and is powered by a power bank. Korin Zero is made of waterproof materials and weighs about 1.5 kg. The volume is 16 liters. There is a compartment for a laptop, mouse and other accessories, a pocket for an umbrella, and a USB in the strap for charging your smartphone on the go. On the Chinese crowdfunding platform Xiaomi Youpin, the backpack costs 499 yuan.