Just received two of these. Hopefully get them put up on the testbed in the next few days. They fit in your hand and have magnets on the bottom. I like the connector on the side so no stand is needed to use them on a flat metal surface.
https://www.aliexpress.us/item/3256805050539121.html?spm=a2g0o.order_list.order_list_main.5.17681802sRnX4h&gatewayAdapt=glo2usa