support for wireless charging function is & Android cell phone watch, Airpods wireless charging version Airpods Pro Product material: plastic + zinc alloy Input interface: Type-C interface Input: PD/QC3.0/9V-4A/12-2.5A Conversion efficiency: <80% Transmission distance: <5 mmUSB-A output: 5V-ZA Mobile phone wireless output: 23W/10W/7.5W/5W iWatch wireless output: 3W Airpods wireless output: 2W Product size: 176.5×118×85mm