The GameSir X2 Pro is a great expandable controller that’s optimized for Xbox gaming on the go. It features customizable back buttons, interchangeable face buttons, and multiple thumbstick options that works with most Android phones through a flexible USB-C connector.
Turn Your Phone into a Powerful Gaming Console! - GameSir X2 Pro Review
Yes, you can fit any large phone whit BOLD case in the GameSir X2 Pro with a simple MOD (TUTORIAL) : r/AndroidGaming
GameSir X2 Pro Xbox Mobile Game Controller REVIEW
Gamesir X2 pro vs X3 vs Galileo G8 : r/AndroidGaming
Just received my GameSir x2 Pro, and sharing some first impressions. : r/EmulationOnAndroid
Review: Gamesir X2 Pro mobile controller, xbox gamesir
GameSir X2 Pro Review - IGN, xbox gamesir
GameSir X2 Pro-Xbox: Unboxing and Hands-On - GadgetMatch
GameSir X2 Pro hands-on: The biggest problem with GameSir's controllers is finally fixed
GameSir X2 Pro Review - IGN, xbox gamesir
GameSir-X2 Pro-Xbox (Android) gaming controller review - like carrying around an Xbox Series X - The Gadgeteer