The X5 Alteron works with smartphones and tablets, and it can replace faulty Joy-Cons on your Nintendo Switch.

The GameSir x Hyperkin X5 Alteron looks too good to be true, but it has the hallmarks of a perfect pad for mobile and Switch ...

"A collaborative partner project from GameSir × Hyperkin, merging two industry leaders' expertise for a one-of-a-kind gaming ...

Here's the latest X5 Alteron, the world's first fully modular mobile gaming controller, which lets you swap sticks, buttons, ...