Sure, there is not the USB but i see there are pins for GPIOs and GND 5V / 3v3 so i feel that soldering pins are ok to flash and afterwards to ability on :-) Credits for the safety hazards and illustrations go to StefanPatatu. He’s a jolly very good https://swiss-directory.com/listings212454/facts-about-eth%E5%9C%B0%E5%9D%80%E7%94%9F%E6%88%90-revealed