This diagnostic kit gives you everything you need to make sure your USB (Universal Serial Bus) devices are getting the proper charge It enables you to troubleshoot or diagnose problems you might encounter while chargingfast-charge your mobile devicesync your device with your computer Make sure your USB (Universal Serial Bus) devices are getting a proper charge The diagnostic kit lets you monitor the voltage & current being delivered to your device while it’s charging which makes it easy to test different power supplies such as wall & car chargers computer USB (Universal Serial Bus) ports mobile charging banks & charging stations It’s the perfect diagnostic tool for any test lab or repair facility because you can monitor the current & voltage consumption of your Apple or Android™ devices against various power supplies in order to determine if there’s an issue with a specific charger cable or battery Plus if you have several mobile devices at home & at the office this adapter can help you to better understand your power requirements Now it’s easy to decide which chargers & cables work best for each of your devices so that you can charge at optimal speed & be ready when you need to be You can set the tester to either display the voltage or the current reading depending on your preference You can also set it to alternate between showing the voltage & the current so you can keep an eye on both measurements without having to adjust the tester Save time by charging your devices faster You can quickly charge your devices using the adapter’s built-in fast-charge feature when you’re charging your devices from a USB (Universal Serial Bus) port on your laptop computer The adapter speeds up charge time by transforming your computer USB (Universal Serial Bus) host port into a charge-only port enabling you to charge your mobile devices as if you were using AC wall charger Data sync You can also use the adapter as if it were a standard USB (Universal Serial Bus) cable connected between your mobile device & your computer which enables you to sync your device with your computer Note You can still charge your device even while it’s syncing but it might charge at a slower rate This product is backed by Star Tech’s 2-year Warranty to ensure dependable performance Connector Types USB A (4 pin) Female USB Micro-B (5 pin) Female Included in packagemobile charge & sync diagnostic kit 8in micro-USB Cableinstruction manual