This adapter will connect a USB 3.0 B connector to a Micro B socket.
Maplin USB-A to Mini USB-B Cable 5m Black
Maplin USB 3.0 A Female To Micro B Adapter Male for Smartphones, Tablets
Micro USB Type B SMT SMD Socket Female Pack of 30 PK30 Maker Hackster Home PCB
Maplin USB-C to USB-C Cable Braided V3.2 Gen2 20Gbps 100W PD Charge and Data Tra
Maplin USB-C to USB-C 100W PD V3.2 Gen 2 10Gbps Cable, 1m, Charging and Data
