Reddit reviews (Qty: 2) Mini USB LED Light, RGB Car LED Interior Lighting Kit, DC5V Smart USB LED Atmosphere Light, Laptop Keyboard Light Home Decoration Night Lamp (Color: Adjustable Brightnes, 8 Color Change)

Single color breathing or 8 colors gradual breathing: it will light on and slowly dimming down and back up bright , with rhythm like breathing.How to change color or 8 color in cyclic: set different color by single click, but please notice: only you keep to click again after white, it will be in 8 color cyclic change, the color will start from red-orange-yellow-..to white-red...in cycle.How to set breathing mode: double click no matter in any color. If you want to cancle breathing mode, just set it by double click again.How to set brightness: If you like stable color in fixed brightness, long click the button to switch the light dimmer or brighter.How to work: connect to car usb port or DC5V adapter in dark environment. BUT power bank is not suggested.