It can fit iWatch 38mm, 40mm, 42mm & 44mm. Compatible with Apple iWatch,For iPhone, iPad and Tablets. This should not affect its use. Compatible Model: Universal, For Apple iPhone 12/ 12 Pro/ 12 Pro Max/ For iPhone 11, For Apple iPhone 11 Pro, For Apple iPhone 11 Pro Max, For Apple iPhone X, For Apple iPhone XR, For Apple iPhone XS Max, For Apple iPhone 8, For Apple iPhone 8 Plus, For Apple iPhone 7, For Apple iPhone 7 Plus.
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