What are you asking? If it works with a specific phone? I put the phone dimensions in a previous post and Amazon has a list of phones within those dimensions. What phone do have?
"Compatibility:
Fits most smartphones on the market with a width range from 2.5” to 3.4”.
iPhone 6, 6s, 6 plus, 6s plus, 7, 7 plus, 8, 8 plus, X, XS, XS Max, XR, 11, 11 Pro, 11 Pro Max, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, NOT compatible with iPhone 12 mini.
Samsung Note 20, S20 5G, S20 Ultra 5G, Note 10, Note 10+, S20+ 5G, S10, S10 Lite, S10+, S10e, S9, A51, A10e, A11, A20, A50, A71 5G.
Google Pixel 4 XL, 4a, 4, 3a XL, 3a, 3, 2.
Sony Xperia 1 II, 1, 5, XZ2."
Fits other phones not on this list. It fit my Samsung Note 8 and my Google Pixel 3 XL.