The animal, named Chakisaurus nekul, was found in the Pueblo Blanco Natural Reserve, an area rich in fossils where many mammals, turtles, and fish have been found along with other species of dinosaur
The glittery sombrero is equipped with an Iconia A-1 840 tablet that can take a shot of the wearer from various angles.
The position of the tablet on the hat allows the wearer to slide it around the brim for the ideal selfie.
The hat was designed in collaboration with fashion designer Christian Cowan-Sanluis.
"The sombrero style hat spins 360 degrees and has an integrated Acer tablet which enables struggling selfie takers to find their best angle," Acer UK said on its Facebook page.
Acer aims to help the selfie addict "understand lighting, how various expressions can change your face and ultimately create the perfect social media moment".