This is an Apple original Magic Keyboard with Touch ID. The keyboard is connected via Bluetooth and has a built in rechargeable battery (non-user accessible) which can be recharged via the lightning port on the rear of the keyboard. Apple state the internal battery should power the keyboard for approximately one month between charges (your milage may vary).
Please note that this keyboard is only compatible with Macs powered by Apple silicon and running macOS 11.4 or later.
Tech Specs:
•Height - 0.41-1.09cm (0.16-0.43 inches)
•Width - 27.89cm (10.98 inches)
•Depth - 11.49cm (4.52 inches)
•Weight ~0.243kg (~0.54 pounds)
•Bluetooth
•Lightning port
•Touch ID
Condition : Grade-A
Grade-A means that although used, this part is in excellent condition for it's age and if there are any cosmetic blemishes, they will be very minor.
Part Number(s) : APG1R, A2449, 003-200296
Warranty : 3months