Aromatherapy, despite what a crock of sh!t it might sound like, does work. My wife has been of sleeping pills after taking them every night for 2.5 years thanks to Chamomile Lavender.
That being said, there's no way a usb port could give enough juice to heat up oil warm enough to evaporate the oil and give off a scent. If you really wanted to enhance your computing experience, light a candle or oil diffuser away from your box. If you want an intense computing experience, smoke some salvia
