While we're not going to review these three ultra-budget sets of earphones from Elago, we're sharing a few photos with you so that you can know what to expect if you decide to dive in. The black-only E3 is the lowest-end model, with a $30 MSRP and a $7 actual selling price; E4 is the next one shown, available in white or black at a $40 MSRP and $24 actual selling price, and the black and chrome E5 is listed at $50 with an actual price of $19. All…