Two is Better: Charge 2 devices at once with Dual Pad's twin charging surfaces. High-Speed Wireless Charging Modes: Charges Samsung phones at 10W and iPhones at 7.5W; the fastest possible wireless input that each can accept. Case Friendly: Don't fumble with your phone case. PowerWave charges directly through protective cases. Rubber/plastic/TPU cases less than 5 mm thick only. Magnetic and metal attachments or cards will prevent charging.