Model number can be found at the fine print text on the bottom of your macbook. It starts with an A. Kindly check as there won’t be any exchange or refund for any model purchased wrongly.
MacBook Air 11" - A1370/A1465
Macbook 12" - A1534
MacBook Air 13" - A1369/A1466
MacBook Air 13" 2018/2019 - A1932
Macbook Air 13" - A2179/ A2337
Macbook Air 13" M2 - A2681
MacBook Pro Retina 13" - A1425/A1502
MacBook Pro 13" with touch bar - A1706/ A1989/A2159
MacBook Pro 13" without touch bar - A1708
Macbook Pro 13" 2020 - A2251/A2289/A2338
Macbook Pro 14" A2442/A2779
MacBook Pro Retina 15" - A1398
MacBook Pro 15" with touchbar - A1707/ A1990
MacBook Pro 16" - A2141