The "i7" in the context of game controllers likely refers to the GameSir G7 SE Xbox Wired Controller, which is designed for Xbox Series X|S, Xbox One, and Windows 10/11. It features a wired connection, Hall Effect sticks and triggers, and customizable back buttons. It does not have a battery as it's a wired controller. 
Key Specifications:
Working Platform: Xbox Series X|S, Xbox One, Windows 10/11.
Connection: Wired, 3m detachable USB-C cable.
Audio Jack: 3.5mm.
Microphone Mute Button: Yes.
Buttons: Membrane ABXY buttons.
Sticks: Hall Effect sticks.
Triggers: Analog, Hall Effect Magnetic Sensors.
Rumble Motors: 4 (in grips and triggers).
Back Buttons: 2 mappable back buttons with quick latches.
Customization Software: GameSir Nexus.
Battery: None (wired controller).
Dimensions: 152 x 103 x 63 mm (5.98 x 4.06 x 2.48 in).
Weight: 221 g (0.49 lbs). 
Other Notable Features:
The controller has a comfortable and ergonomic design for extended gaming sessions.
The Hall Effect sensors in the sticks and triggers provide precise and durable input.
The mappable back buttons allow for customization and can be beneficial in various games.
The GameSir Nexus software allows users to remap buttons, adjust trigger sensitivity, and customize other settings.