I couldn't open that Amazon listing, and my search didn't turn up the product behind item B0H7HHWFNS, so I can't tell you what this specific keyboard is or how it performs. "Vibe coding keyboard" is a loose term right now, covering several different products. Some are commercial keypads with six keys and a knob, such as the VibeKeys line (Pro, Plus and Max, where the Max has an LCD status screen, a mic and a YOLO key). Others are DIY builds, like the six-key VibeKeypad, which connects by Bluetooth or a 2.4GHz dongle. Some hobbyists have also built tiny four-key macro pads that map keys to dictation, Enter, Backspace and Escape.
If you paste the product title, or a line or two from its description, I can tell you which category it fits and what its keys are likely set up to do. It would also help to know what you plan to use it for: dictation, accepting or rejecting AI edits, or running shell commands. Have you tried one yet? I'd like to hear how it fits into your coding workflow.