* Removed 4-pin header for external power swtich and always-on power option(Users have less need for this. Can can solder it yourself if needed)
* Smaller size, simplified use
[[File:X306-V1.5-IMG-8223-compare.jpg|700px|X306]][[File: X306-V1.3-IMG-8223-compare.jpg|700px]]
:PS: