Mini And Compact : Hidden behind a Phone, Not Blocking The Camera 15W Wireless + 20W Wired , Wireless For Convenience, Wired For Speed Stong Magnetic Absorption High Quality Stability 3500GS Magnnetic Force the gravity of two bottles of water 1000mAh High Battery Capacity for charging a Phone 1.8-2 times Smart Temperature Control Charging Without Overheating Ntc temperature Sensor ensures safe charging