Purchased new in March 2020 (2019 model). Operation confirmed. The filter is old, but will be included as is. No instruction manual or box. ◉Product Details Color: White Brand: Sharp (SHARP) Product Dimensions: 14.4D x 12.4W x 18.2H cm Power Source: Corded Electric Item Weight: 0.82 kilograms Control Method: Touch Size: 16.6 x 12.4 x 18.2 cm Power Consumption: Approximately 1.3W Included Accessories: AC adapter, USB cable Humidification Method: Evaporative Operating Noise (dB): Strong/28, Weak/22 ◉Easy moisturizing care for your desk Equipped with a moisturizing function, the amount of water molecules surrounding the Plasmacluster ions increases. The moisturizing effect on the skin is increased by approximately 1.8 times. ◉Low power consumption design supports USB connection Can be used by connecting to a computer's USB. Delivers clean air and moisture to your surroundings with low power consumption. Plasmacluster Ion Generator IG-GK1S Compact design that can be easily placed on a desktop Equipped with an "automatic operation restart" function that restarts operation when the power supply is resumed When connected to a computer's USB, it works in conjunction with the computer's ON/OFF switch.