Giraudoux Giraudoux (non-magnetic metal plates] can interfere with wireless charging (if available on your device) and NFC*, Use this handy goods for placing the Metal Disc on your device, The guide includes Metal Disc optimal placement locations for 4 variety of popular smartphones. Hefner th your device manual for its wireless charging and NEC locations as they vary by device. The GREEN highlighted is the safe area to attach the Malta Disc to your device.