100% brand new and high quality Features: The ozone purifier is mainly composed of active oxygen, which can effectively eliminate odor. Suitable for use in small spaces such as refrigerators, shoe cabinets and car. Three-speed adjustment, different deodorizing spaces. The density of active oxygen is greater than that of air, please place it on top of the place where purification is needed, such as the top layer of the refrigerator. The device has strong oxidizing ability and can directly destroy the molecular structure, thereby deodorizing and eliminating odor without harming human body and food. specification: ctive oxygen concentration: 0.05PPM Charging interface: usb Charging voltage: DC 5V Operating temperature: between 0 and 50 Working mode: weak, medium, strong, third gear Charging indicator: three blue LEDs on the front, from left to right, they are weak-medium-strong color: as the picture shows Material: Environmental ABS size: 11.5*4cm Battery capacity: 1000MAh lithium battery/4 AA batteries Mode: A: rechargeable B: Battery (without battery) Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 * air purifier 1 * usb data cable