Features: Experience optimaled air with our USB Mini Humidifier, featuring ultrasonic technology and a colorful LED light display, perfectly for enhancing any environment. This small sized humidifier boasts a 220ml capacity, a high precisions waterproof, and automatic shut off feature after 4hours, ensuring safety and convenience. For commuters, office workers, and anyone improved air, this device is to fit seamlessly into daily routine. Whether in your car, home, or in office, this small air humidifier provides continuous or intermittent mist maker, creating a refreshing wherever. Transform your space by incorporating your favorite essential oils, promoting relaxation and a soothing environment. Specifications: Size：about 10.3x6.2x6.2cm/4.05x2.44x2.44in Component： Plastic Capacity: 220ml Connection:USB 5V Features ：Color Light/Automatic shut off feature after 4hours Package Includes: 1PC USB Mini Humidifier note: Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.