The Aroma-Birch USB diffuser features a minimalistic design and is highly functional. The USB power cord included makes the Aroma-Birch ideal to use in your office, home or whilst traveling. The Aroma-Birch USB cord is compatible with most computers, mobile phone chargers & USB power outlets. Small, light weight and easily transportable yet still holds a generous 100ml water capacity. The wood look finish blends perfectly for a desk top, and is perfect for a office environment. Details *5 in 1 multifunctions *USB Power cord ONLY *Wood look outer cover *100ml Water Capacity *Operates up to 5hrs *Product size 11.5 cm x 9.7 cm *Uses Ultrasonic Cool Mist technology *No heat source used *Auto switch off on low water level *Can operate with no light, if preferred *Mist dispersion covers 15-20 sq/m *Colour Changing LED light, will rotate through a series of relaxing colours, can be set on any colour, or completely turned off.