Features: 1. Mini size, easy to carry, you can use it anywhere, such as in the car/wardrobes/shoe cabinets/cupboards/socks bags/underwear boxes and so on; 2. USB charging, plug and play, computer and power bank can charge for it; 3. There are three modes: recycle release ozone/normal release ozone/strong release zone, you can choose it according to your needs; 4.Functions: Release Ozone sterilization, energy saving and low consumption, easy deodorization,disinfection and sterilization, decomposing formaldehyde, removing odors, purifying air, preventing mildew and deodorization, and keeping refresh for a long time. Specification: Battery: 1 * lithium battery, 1800mAh (included) Rated input: Direct Current 5V Rated power: 3W Amount of ozone: 60mg ozone per hour Package size: 140 * 133 * 44mm / 5.5 * 5.2 * 1.7in Packing List: 1 * Ozone Sterilizer 1 * USB Recharging Cable 1 * User Manual