The ROG Phone is an Android gaming smartphone made by Asus and the first generation of the ROG smartphone series. It was announced on June 8, 2018 at the Computex computer expo,^[1] being the first Asus smartphone to be targeted mainly to gamers. It competes with the Razer Phone, Xiaomi Black Shark, and ZTE Nubia Red Magic.^[2][3][4]

A line of unique gaming accessories were unveiled alongside the phone itself.^[9] The "AeroActive Cooler", which is attached to the back of the device, helps keeping the device cool by acting as an external cooling fan.^[10] The "TwinView Dock" is a handheld dock which provides a secondary screen for the device and the dock has a memory card slot that support SD cards up to 512GB, though mini or micro SD cards require a full-size SD adapter to fit into the slot.^[11] Other accessories include a mobile desktop dock, the Gamevice controller that gives the phone physical controls and a WiGig dock for wireless screen casting to TVs without built-in screen casting.^[12][13]

The Asus ROG Phone received positive reviews from critics. According to Business Insider, the phone was a great success due to high-end specifications causing gamers to use it for playing Mobile Legends without lagging.^[14]

It has gained some publicity for being the first smartphone with an external cooling fan.^{[citation needed]}