The revised CCA CRA displays a line art on the packaging, while the pre-revised version has the actual image of the IEMs. For the physical differences between the two versions, check out this post.
It looks like the rock space O2.
The revised CCA CRA displays a line art on the packaging, while the pre-revised version has the actual image of the IEMs. For the physical differences between the two versions, check out this post.