Input: 9V4A; 12V2.5A Input interface: Type-C Mobile phone wireless charging output power: 15W, 10W, 7.5W, 5W Watch output: 3W support full range of Apple Watch charging Headphone output: 2W support Apple headphone compartment Transmission distance: 5mm Conversion efficiency: 80% Product material: ABS zinc alloy Wired output: 5V2A