A Japanese Honeysuckle Diffuser 300ml is a type of aromatherapy diffuser that uses essential oils to release the fragrance of Japanese Honeysuckle into the air. The diffuser holds 300ml of liquid and uses ultrasonic waves to create a mist that spreads the scent of the oil throughout a room. It is designed to help purify the air, reduce stress and promote relaxation, and can be used in a variety of settings, such as homes, offices, and spas.