Nap in the fresh air with the 2-in-1 USB Ultrasonic Essential Oil Diffuser and LED Night Light 2-in-1 design - works as a diffuser as well as an LED night light Changes between 7 colours for extra ambience Uses ultrasonic technology to humidify and purify the air Simply add your own essential oil for a fresh new scent Power up with the included USB charger cable - works for 4 hours on one charge Choose from 3 colours: gold, blue or rose red Dimensions: 145mm (H) x 102mm (W) Capacity: 130ml Materials: PP and ABS Noise: 35db(A) Frequency: 24MHz Get the 2-in-1 USB Ultrasonic Essential Oil Diffuser and LED Night Light for 11.99 pounds - was 29.99 pounds