After trying many USB 2.0 Type-C cables to charge my Signature, I randomly found one that clicks into the port perfectly and remains solidly in--no wiggling. It's a USB Type-A to Type-C charging cable for an Ekrin model 365 massage gun I recently bought. It's $14.99, and I got mine shipped free. Thought I'd share...
https://ekrinathletics.com/products/365-bantam-usb-charging-cable
https://ekrinathletics.com/products/365-bantam-usb-charging-cable
