Create a spa in your own home with this USB Ultrasonic Aroma Humidifier Choose from light brown and dark brown  Choose from humidifier option only or opt to buy with 6 or 2 oils  Perfect for creating a relaxing environment at home. Ultrasonic and runs super quietly With a 130ml water tank and colour-changing LED Up to 5 hours of use  Buying Options:  7.99 pounds instead of 29.99 pounds for humidifier only - save 73%  14.99 pounds instead of 39.99 pounds for humidifier with 6 oils - save 63%  21.99 pounds instead of 49.99 pounds for humidifier with 12 oils - save 56%