the 4-1 Aroma Humidifier Combines Four Essential Functions in One Sleek Device: a Humidifier, Speaker, Clock, & Alarm. It Offers Flexible Diffusion Modes, Allowing Continuous Operation or Timed Settings for 1, 3, or 6 Hours, with Automatic Shut-Off When the Tank is Empty. the Built-In 12W Bluetooth® Speaker Lets You Stream Music Directly From Your Devices, Delivering Rich Sound. the Front Display Features Crisp White LED Dots That Clearly Show the Time, While the Integrated Alarm Clock Makes It Easy to Set Your Preferred Wake-Up Time. with a 360 Ml Tank & Coverage for Areas Between 15–25 M², It’S Perfect for Creating a Comfortable Atmosphere. the Device Operates Quietly at Under 35 Db & Includes a 7-Color LED Light Feature to Suit Your Mood. Power: 12W, 100–240V. Adapter Included. Minimum Quantities Apply.