ABOUT: Currently includes a BONUS Organic Calm & Unwind 10ml blend, to support attention and study and is great for school /work and the home office. The Aroma-Bud USB diffuser features a minimalistic design and is highly functional. The USB power cord included makes the Aroma-Bud ideal to use in your office, home or whilst traveling. The Aroma-Bud USB cord is compatible with most computers, mobile phone chargers & USB power outlets. THE DETAILS: 5 in 1 multi-functions USB Power cord ONLY 100ml Water Capacity Operates up to 5hrs Product size 11.5 cm x 9.7 cm Uses Ultrasonic Cool Mist technology 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 at the base, will rotate through a series of relaxing colours, can be set on any colour, or completely turned off.