Phone with a thermal imaging a few years back. The Flipper Zero, but I can't justify spending the cash on it. A phone with a 15,000mAh battery more recently. 3d

Phone with a thermal imaging a few years back. The Flipper Zero, but I can't justify spending the cash on it. A phone with a 15,000mAh battery more recently. 3d printing in general. Two of these are, as you say, phones.