ltem description from the seller
Shape:Round
Surface Finishing Type:Matte
Connector Polarity:Female to Female
Material:PVC
Input Connector Type:Type-C
Output Connector Type:Type-C
Input Power:10-20W
Output Power:10-20W
Maximum Output Power Of A Single Port At Full Load:20-30W
Data Transmission:Yes
Power Mode:USB
Operating Voltage:≤36V