Features from Amazon: Get Started Fast: Plug and Play, you can play games without installing drivers or Bluetooth.
Designed for iOS & Android Phone (4.5-6.5 inch): Fast Response, Short-Distance and Clicky Buttons, Suitable for shooting games, including PUBG, Knives Out, Rules of Survival, Survivor Royale, etc. As long as the game allows customizing and dragging the keys.
Click 9 times per second, Take Enemies down fast: Up to 4 Different Burst Modes. F4 controller is armed with the “selector” as the same as the real M4A1 does.
Become Focus Fast: Unique Designing - Foldable Wings, Folded, it is like a falcon in rest; unfolded, it seems a nimble falcon pursuing its prey, which is the same as you do with F4 in the gaming.
Ultra-Low Power Consumption: Built-in rechargeable battery, lasts for 40 hours playing time. You don’t have to take off your phone case when using Stinger.
Grab one from Amazon for £29.99 here.