Charge your smartphone without a cable with a BlueBuilt wireless charger. You place this device on a wireless charger and it'll start charging. Keep in mind that not all smartphones can charge wirelessly. For instance, some chargers are only suitable for Apple devices. Think of Apple MagSafe wireless chargers. Want to charge multiple devices at the same time? Choose a charging dock for multiple devices. You receive an extra long 5-year warranty on BlueBuilt wireless chargers.