There’s a $40 one sold at Walmart, Ion brand, no app at all, plugs in the wall, not USB.
It worked well… for about a year. The metal contacts on the bottom corroded, and the battery duration dropped. I’m using a four-dollar candle warmer now, it’s the better choice.
There’s a $40 one sold at Walmart, Ion brand, no app at all, plugs in the wall, not USB.
It worked well… for about a year. The metal contacts on the bottom corroded, and the battery duration dropped. I’m using a four-dollar candle warmer now, it’s the better choice.
This one:
https://www.walmart.com/ip/ionMug-Charging-Coaster-12oz-Stainless-Steel-Self-Heating-Coffee-Mug-with-Lid-3-5-x-3-5-x-5/809689677