Cylindrical design ultrasonic humidifier. Includes the instruction manual, unused USB charging cable, and 10 new filters (purchased separately). Used for about one season. There are no noticeable scratches or stains, but the ultrasonic disc has some water marks and what appears to be limescale. There were no problems with the operation. Please be aware that there may be other traces of water droplets inside, so please purchase only if you are not concerned. All items have been handled by a person once. As they have been stored at home, there may be initial scratches or wrinkles on the exterior, so please purchase only if you can accept this. Quoted from the product description below: [Humidifier with freely adjustable mist angle] The mist generated by ultrasonic waves is very fine, and the design prevents the floor and walls from getting wet. Also, since the mist temperature does not get hot, it can be used safely in homes with children and pets. Furthermore, the nozzle can be adjusted up to 180°, allowing you to humidify to your liking. Place it on your desk or bedside to create a relaxing space while you work or take a break. [UV Sterilization & Negative Ions & Hypochlorous Acid Water Compatible] This humidifier is equipped with UV sterilization and negative ion functions and is also compatible with hypochlorous acid water (50ppm or less), effectively removing viruses and odor-causing substances. The ultrasonic mist not only keeps the space comfortable, but also has a double nozzle design, making it stylish. It keeps the air in your room clean and supports the creation of a healthy space. [Humidifier with Quietly Glowing LED Light] The operating noise is a quiet design of 30dB or less, so you don't have to worry about the sound at night or during sleep. You can choose from various humidification modes, such as continuous spraying with double nozzles, alternating mode, and intermittent mode, so you can use it according to the scene. Furthermore, it is equipped with a 7-color LED light, which can add a healing light to your bedroom or living room. [Large-capacity Humidifier for Long-Term Use] Cordless and can be used anywhere, and has a built-in 5200mAh large-capacity battery, so you can use it with peace of mind even when you are out. If you inject less than 500ml of water once, it can be used continuously for up to 15 hours in intermittent spraying mode. It automatically turns off when the water runs out, so you don't have to worry about dry burning. It is also a perfect gift for Christmas and New Year.