The boAt lifestyle rugged Micro USB cables are really rugged and made to be compatible with your all micro USB devices. No warning message, works the same as the cable you get with your device. Connects to your Smartphones, Mp3 Players or other micro USB supported devices and charges/syncs by connecting the USB connector into your wall charger or computer. Fully supports Data Sync and Battery Re-Charging for any micro USB Device. No need to wrap, the cable design makes them tangle free. Choose your style to charge in. Plug it in, Plug into Nirvana!