This 15W Wireless Charger is the perfect solution for your car cup holder. You already toss your phone in your cup holder currently, right?! Let's make it useful! This wireless cup holder charger features rapid charging with a max output of 5V 3.1A, a rated input of 12-24V, and an efficiency of 75% or higher. It is compatible with phone models from 3.189" in width and includes an auxiliary port adapter for added convenience. You can even charge your wireless earbuds with this thing! Also features USB-C and standard USB ports. Enjoy fast wireless charging in your car with this reliable cup holder accessory!