1. Portable and mini, you can take it easily.
2.Small size: 145.5X15X89.3mm
3.Dismountable design, when you don't use it, you can dismout it and put it in your pocket or bag.
4.White or Blue two original colors.
5.USB port, can connect to power bank , Laptop, computer, USB connecto,etc.
6.As lower as 25.8 Db, like a gentle breeze