Transforming 3-in-1 Grip: The Mgc Proteus Grip is compatible with Nintendo Switch Joy-Con controllers (not included) for play on both Switch console and iPhone mobile phones, providing a secure and comfortable grip while offering a range of convenient gaming experiences in both Switch games and mobile games like Call Of Duty Mobile.iPhone Compatibility for Mobile: Our Mgc Proteus Grip is compatible with iPhone devices. This ensures a seamless gaming experience, whatever your device. Just insert your iPhone, connect both Joy-Cons via Bluetooth and you re playing your favorite compatible mobile games like never before! Note: iPhones running iOS 16 or higher required for Joy-Con compatibility.Play and Charge Phone Gaming: Features a magnetic door that allows for the secure attachment of a charging cable to your iPhone. Now you can play and charge simultaneously, ensuring uninterrupted gaming sessions.