Bring luxury scent and fresh air into your drive with the BT Car Fragrance Intelligent Atomization Aromatherapy Machine This smart car diffuser works via USB and provides cool mist atomization that fills your car cabin with pleasant aroma while hydrating the air Perfect for daily commutes family trips or long drives Small yet powerful this diffuser is very quiet when operating and includes LED mood lighting to enhance your interior ambiance Battery plug in via standard USB output makes it easy to power from car charger or power bank Safety features include auto shut off when water level is low ensuring safe use and long lasting performance Key Features Bluetooth enabled car fragrance atomization for hands free aroma USB powered car diffuser humidifier easy power via car port Cool mist ultrasonic atomization for smooth fine scent mist LED mood lighting for ambience while driving or parked Compact design fits car cup holder or dashboard easily Auto shut off safety when water runs low Quiet operation so you enjoy aroma not noise