OPPO Electronics Corp. is an electronics manufacturer based in Guangdong, China. Known for its smartphones, the company also makes MP3 players, portable media players, LCD-TVs, and DVD/Blu-ray players ...

For obvious reasons, the smaller and more portable the printer, the smaller the maximum size photo it can print. Typical sizes are wallet size (roughly 2 by 3 to 2.5 by 3.5 inches), 4 by 6 inches ...