USB Type C male to Micro B female. Modern USB devices are starting to appear with just one USB C port replacing all others. As this adapter is for charging and data transfer it don't matter if your devices are USB C only.
eBay
3 IN 1 USB Cable Micro USB Type C Charger Cable Multi 2A Usb Port Fast Charging Cord For Xiaomi iPhone 11 12 13 Pro Max Samsung
Aliexpress UK
Type: USB Type-C to Micro B 3.0 Cable. Compatibility: Works with external hard drives, smartphones, tablets, and other devices with Micro B ports. Connector Type: USB Type-C to Micro B 3.0.
eBay
4 in 1 Charging Cable for Multiple Devices Charging Cable 5V 3 in 1 Universal USB Cable with IP/Micro USB/ Type C Port Cord
Aliexpress UK
Type: USB Type-C to Micro B 3.0 Cable. Compatibility: Works with external hard drives, smartphones, tablets, and other devices with Micro B ports. Connector Type: USB Type-C to Micro B 3.0.
eBay
Flat Flexible Ultra Thin Micro USB Mini USB Type-C Ribbon Cable 90 Degree usb Slim Flat Soft charge FPV fpc Charge Data Cord
Aliexpress UK
Type: USB Type-C to Micro B 3.0 Cable. Compatibility: Works with external hard drives, smartphones, tablets, and other devices with Micro B ports. Connector Type: USB Type-C to Micro B 3.0.
eBay
Flat Flexible Ultra Thin Micro USB Mini USB Type-C Ribbon Cable 90 Degree usb Slim Flat Soft charge FPV fpc Charge Data Cord
Aliexpress UK
Bundle Of 4 Black USB To Micro-USB Cables. Varying lengths: Approx 1 x 80cm, 1 x 70cm, 1 x 60cm and 1 x 12cm. I have listed these as used although I am not sure that any of them have in fact been used. Dispatched promptly with Royal Mail 2nd Class Post.
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3 In 1 USB Cable Short Micro USB Type C Cable For iPhone 13 12 11 Samsung Xiaomi Mobile Phone Charger Cable Mini Wire
Aliexpress UK
Type C USB cable. Cable 2 of 10 available.
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120W 6A 3 In 1 Fast Charging Cable Data Cord For Realme Huawei Xiaomi USB Charge Cable Micro USB Type C Charging Cable Wire
Aliexpress UK
Type: USB Type-A to Micro B 3.0 Cable. Smartphones and Tablets:Ensures fast data transfer and charging for devices with Micro B ports. Compatibility: Works with external hard drives, smartphones, tablets, and other devices with Micro B ports.
eBay
4 In 1 Usb Type C Cable for Huawei for Iphone 12 11 Pro Max PD 60W Fast Charge Micro Usb Type-C Cable for Samsung Xiaomi Redmi
Aliexpress UK
Function: fast charging, data transmission. 1 Piece of cable. Current: support 2A current. hope you could understand.
eBay
Data Cable 3 In 1 Fast Usb Cable For Huawei/honor Retractable Portabl Micro Usb Type C Charger Cable For Iphone Samsung
Aliexpress UK