كابل شحن سريع أم القيوين @AlexeyShcherbak The distinction between Stopwatch and DateTime.Now can't be more than ten-20 ms, Check out your code once more. And I do not treatment about milliseconds in my check. Also my code will be various traces of code for a longer period with Stopwatch. So https://arqoob.com/product/39039/brave-braided-data-cable-usb-a-to-lightning-cable