Many of these aroma diffusers have LEDs which can control not only the aroma of a room but also the mood lighting. This combination can set up a relaxing and restful ambience.

ASAKUKI 300ml Essential Oil Diffuser, Premium 5 In 1 Ultrasonic Aromatherapy Scented Oil Diffuser Vaporizer Humidifier, Timer and Waterless Auto-Off, 7 LED...
4.0
Amazon.co.uk

ASAKUKI 500ml Essential Oil Diffuser, Premium 5 In 1 Ultrasonic Aromatherapy Scented Oil Diffuser Vaporizer Humidifier, Timer and Waterless Auto-Off, 7 LED...
4.0
Amazon.co.uk

ASAKUKI 300ml Essential Oil Diffuser, Ultrasonic Aromatherapy Scented Diffuser Humidifier for Bedroom,Baby Room,Spa with 7 LED Color Lights and Waterless...
4.0
Amazon.co.uk