SS15 "Mobile Controller: Wide Compatibility and Practicality" With wireless Bluetooth connection, it is compatible with iPhone and Android smartphones, allowing you to enjoy games and game platforms that natively support controllers on your smartphone. For example, PS Remote Play, Xbox Game Pass, Steam Link, GeForce Now, MFi Apple Arcade platform, Call of Duty, Roblox, Minecraft, etc. "Sufficient Space for Mobile Phone Cases and Cameras" The controller is extendable and supports smartphones with a length of 10cm to 17.5cm. The bottom left side is designed to lift the smartphone's camera, preventing scratches on the lens and instability of the smartphone. It can also be used with general smartphone cases. The contact surface is entirely covered with rubber pads, increasing friction to firmly hold the smartphone and prevent it from slipping. "Ergonomic Smartphone Controller for Android" The controller has laser-engraved textured grips, providing a smooth feel and comfortable grip. "Mobile Game Controller Connection Method" Press the B button and the HOME button to connect, and LED4 will flash, then turn on your mobile phone's Bluetooth. On Android phones, find the Bluetooth name "Wireless Controller" and click to pair. After connecting, with the mobile phone's Bluetooth on, press the controller's HOME button to reconnect with one touch. "Three-Stage Adjustable Turbo Rapid-Fire Function" With the Turbo function, three speed settings are available: 5/12/20 times/second. Adjust by pressing the Turbo button while pressing the up/right/down keys. Press and hold the TURBO button for 5 seconds to clear all TURBO functions. With a 600mAh rechargeable lithium battery, it lasts for about 6 hours on a full charge.