Description: Ionizer: This air freshener can release negative ions to the air and help to improve air freshness and quality. Fits location: This mini dust odor remover is suitable for home, office, hotel, living room, bedroom, bathroom, car, and so on. Quiet: This air freshener won't make much noise while running, so you can turn it on when you go to sleep at night, it won't easily disturb you. USB powered: This odor remover allows you to use USB power port, USB power bank, USB charger to power it and is convenient to use. Application: This air freshener is designed to remove the dust and odor in the air and can also deliver you a good air quality. Specification: Color: Show as picture. Size(LxWxH): Approx. 113x38x30mm/4.45x1.50x1.18 inch. Note: Color: Show as picture. Size(LxWxH): Approx. 113x38x30mm/4.45x1.50x1.18 inch. Package Includes: 1 Piece Electric Air Freshener(with 1 Piece User Manual).