Material: Copper Coil. Output: 5.0V/1A (Max). Fast and stable transmission 3 Styles for Choosing: Wireless Charging Receiver for iPhone, Positive-going Receiver for Android Phone (Narrow Top Wide Bottom), Inverted Receiver for Android Phone (Wide Top Narrow Bottom) Interface Type: For iPhone, Android. Adaptation Product: Wireless Charger, Wireless Charger Pad Overall Size: Approx. 10 x 4.3cm/3.39 x 1.69inch (L x W). Easy to install, directly insert and directly use Occasion: Home, Office, Travel, etc. You can enjoy charging at any time. It\'s also can be given as a gift to family and friends