GameSir X3 Pro Stretchable Mobile Controller - White / Android Only / Built-In USB-C Wired Connection / Integrated Thermoelectric Cooler / GameSir Hall Effect Anti-Drift Sticks / Micro Switch Triggers / Dual Rumble Motors / 6-Axis Gyro Motion Control / 3.5mm Audio Jack / Fits 110-180mm Phones / Charge & Cool On One Cable + FREE DELIVERY !

The GameSir X3 Pro is a stretchable mobile controller for Android, connecting through a built-in Type-C plug rather than wirelessly. It has no internal battery, drawing power from the phone, and measures 207.46 x 93.27 x 57.38 mm. This listing is the white finish, with an integrated cooler built into the centre section.

A cooler is built into the middle of the controller, positioned against the back of the handset. Sustained mobile gaming heats a phone until it throttles its own performance to protect itself, and active cooling is the direct answer to that: keep the temperature down and the frame rate stops sagging.

The cooler and charging share a single cable, so one lead handles both jobs instead of two competing for the same port. That keeps a long session simple: plug one cable in, and the phone stays powered and cooled without a second accessory hanging off the side of the setup.

The thumbsticks use GameSir Hall Effect sensors, which read position through a magnetic field with no contact between moving parts. Nothing wears, so the sticks keep a true centre rather than drifting as they age. On a controller carried in a bag every day, that resistance to wear matters more than usual.

The triggers use micro switches rather than membranes, giving a short travel and a crisp click that tells you exactly when the input registered. Tournament players prefer this because a definite actuation point is what makes repeated timing consistent, particularly in shooters where every shot starts with a trigger pull.

The ABXY buttons also run on micro switches, matching the triggers for feel and giving the face controls the same defined break point. A turbo function is available for automated repeat presses, which takes the strain off a thumb in games that reward sustained tapping rather than precise timing.

Two rumble motors provide haptic feedback through the grips, which is something a phone's own single vibration motor cannot reproduce with any nuance. Two motors let the controller weight feedback toward one side, so an impact carries a rough sense of direction as well as intensity.

A 6-axis gyroscope is fitted, reading how the controller is tilted and rotated. Shooters use it for fine aim adjustment layered over the right stick, and racing games can use the same sensor for steering by tilting the whole unit, which many players find more intuitive than a stick for that job.

Parts of the X3 Pro detach and can be replaced individually. That changes the economics of a worn stick or a failing button: instead of the whole controller becoming disposable, the affected component is swapped out, which also makes the unit easier to clean properly rather than working around fixed parts.

The stretch mechanism accepts Android handsets between 110 and 180 mm long, which is 4.33 to 7.09 inches. Measure your phone's long edge with its case on before ordering. The GameSir App handles customisation, and there are no back buttons on this model, so all bindings live on the visible controls.