One touch switch and compact type - in order to operate easily with one key, the car cup is designed to fit most car cup holders, portable size, and can be used anywhere at any time (the package only includes USB cable, not adapter) Note: not wireless Sufficient capacity - the car diffuser has a large capacity of 100 ml container, and has two spray modes: 4 hours of continuous spray, 7 replaceable color LED lights; 6-8H intermittent atomization, 7 replaceable color LED lights; Or use it as night light (press and hold the button to turn on the color night light within 2 seconds) Completely silent and BPA free. Completely silent. It will not produce any disturbing noise. It will automatically close when the water is turned off to ensure safety and longer working life Bring moisture and nature to your car - Ultrasonic technology effectively provides ultra-fine, smooth and even fog, which is the simplest way to keep your car fresh, free of moisture and odor. Fantastic gift - The perfect