Brand new never used still in box! I have two going all the time and my house always smells wonderful. I purchased thinking I would need 4 but I only needed 2. Selling the extra I have. This whisper quiet ultrasonic diffuser humidifies air with aroma oils. With auto power and two mist settings intermittent and continuous you can relax while the diffuser works it's magic. Included are one 5ml bottle of lavender aroma oil, one USB cable and a user manual. Ultrasonic vibration at approximately 3.0MHZ. Running time continuous mist 7.5 hrs, intermittent mist 11 hours. Seven colour changes run continuously or you can set the diffuser on one colour. Water capacity: 150ml.