How about ones that goes down to 3v?
https://www.amazon.com/Linear-Sensors-Element-Electric-Vehicle/dp/B08LD14S8P/
BTW everything behind dp/XXXXXXX/ in amazon link is not needed.
Also you can create a text link using the button in the editor or using markdown. Like this: 3-6.5v Hall sensors
The markdown code looks like this.
[3-6.5v Hall sensors](https://www.amazon.com/Linear-Sensors-Element-Electric-Vehicle/dp/B08LD14S8P/)
[Even better](https://www.amazon.com/dp/B08LD14S8P/)