IT Lifehack
On December 13, 2013, the game pad “G550” that integrates with the iPhone was released: What day is it today?

A gamepad useful for game operations. For smartphone models, it is common to use an adapter that is attached to the main body and converts button presses to screen taps, or a Bluetooth connection, but it appeared as an unusual product that integrates with the iPhone like a case Is "G550".
It was 2013 today that this product was pre-sold at the Apple Store.
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