PowerLoop Lightning to USB Keychain White. Add convenience and a whole lot of power, to your keyring! Charge & sync your iPhone and iPad in premium style with the rubberized, extra durable 3â Lightning to USB cable thatâs built to last. Hard protective casings keep your connections secure & safe and the spring-loaded, ultra glossy chrome keyring stays firmly fastened. Apple MFi certified for use with any iPhone, iPad or iPod with a lightning connector.