These are simple little earbuds which you can get for free with certain Sonic tees at Sears. The package is attached to the hanger the shirt is on, as a bonus. The shirts are all late 2012 / 2013 fare, no new shirt was made just for these. The package…
This yellow shirt is from JayJay's, and it uses neoclassic redraw armcross/thumbs up Sonic in a red ring with checkered background. It appears in 2012 and should be about AUS $20