Features: High Adverse Particle Outpbut: This air filter features advanced adverse particle producer that releases a large amount of adverse particles Quiet Actparticlemail: Hard wearing quiet fan technology, it operates at a low noise stage of 30 decibels, ensuring it executes not disturb routine life otherwise work USB Powered Conveniencemail: More accessible a USB connection, this air filter eliminates the need for complex power cord associations Permanent Aluminum Alloy Constructparticlemail: is constructed of excellent aluminum alloy, offering strengthened durability and aesthetic appeal compared to polystyrene, suitable for those seeking a standard lifestyle. Compact and Portablemail: Short skirt compact plan and thin body, this air filter is simple move and carry, ideal for frequent tourists who to enjoy neat air on proceed. Specifications: Substancemail: That is constructed of excellent aluminum alloy, that is permanent and thin, and possesses good oxidation resistance. Sizemail: 17.6x6.3cm, compact plan, capacity is 195x83x12mm, suitable for placement on the computer lacking accepting up space. Technical parametersecond: Evaluated power is 3W, evaluated potential is 5V, and the recent generation of radio transmission chip is constructed in to secure efficient and calm cleansing effect. Package Includes: Host × 1 USB charging cable × 1 note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.