People who live in cities suffer from great living pressure and are busy with work, so they especially need time to relax themselves in order to relieve pressure and tiredness. Placing an aromatic diffuser on the desk during work or at home to release various kinds of fragrance is a good way to achieve relaxation. There are similar aromatic diffusers in the market, but the USB aromatic diffuser introduced today has more powerful functions. Besides having the efficacy of an aromatic diffuser, it also works as a USB hub with four USB ports. It connects with the computer via USB, so there is no need to worry about battery problems. Nowadays, more and more USB-related products emerge, this one can be useful too. Moreover, it emits soft light like a night light, which can make you feel more relaxed. Its foreign selling price is 17.9 dollars currently.