4.3mm Diameter<br>USB/Micro USB
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Please confirm your Android Device has the function of OTG and UVC. You can install a free app “USB OTG Checker”which provides a simple method to check.
For some Android devices,if there is nothing in the preview area, please go into Android Settings | Permissions | Storage Permissions | and enable Teslong Camera.
For Windows (Windows 7/8/10):
For Mac (Mac OSX 10.6+):