Details :

Xiaomi presented a fun and portable USB-toy fan Mi Fan for those who live in a hot country or for those who just want a little cool while working at the computer. The novelty is a plastic passive (does not have its own batteries) device that works like an ordinary small fan when connected to USB. By the way, you can connect the Mi Fan to your computer and any other device that has a USB port. Eating from Mi Power Bank (16.000 mAh) fan is able to work as many as 62 hours. The materials used shell plastic alloy, it is flexible as silicone, at the same time it keeps excellent dedicated form. The blades themselves are disconnected from the USB legs, allowing compact and easy to transport fan. Remarkably noise generated by a propeller fan does not exceed 25.8 dB, which is comparable to the sensation of wind noise. This means that Mi Fan works very, very quiet.