I still have Soundmagic E10M which I bought many years ago. It still sound phenomenally good and overall it only few notch lower in overall sound quality when compared to my current favourite Audio-Technica CKR9LTD, Onkyo E700M and Audio-Technica CKX9. So it is just natural for me to get this current Soundmagic in-ear flagship the E80. They has 3 variant E80 without volume/mic like I have on this review. The other 2 versions are E80C with volume control/mic and E80S with mic/single button remote control. I prefer one without volume control/mic unless there is only one version like my Onkyo E700M.
Brand new in sealed box for 58 USD? Yes with full accessories as shown below.

Come with hard case, shirt clip, SML size T400 comply foam ( I use M size) and the usual sets of silicone tip if you prefer that over foam tip. Not so lavish but more than adequate for most user.
Built quality;
Somehow the twisted cable and Y splitter on this E80 and other Soundmagic (E10,E50) look exactly like my old Boarseman CX98. Maybe coincidence or maybe they have same manufacturer. It has fully functional cinch/ chin slider. Both Y-splitter and jack are made of silver colored metal. But the 45 degree jack is not my favorite. I prefer it to be completely straight or completely L -shaped.Just personal preference. Other user will find it otherwise. Housing and nozzle are made of metal too and strain relief on housing and jack are made of of firm but still slightly flexible plastic. So full mark for built quality.
Almost completely sit flush in ear. So comfortable for all day use and even to sleep on one side. The 'small' 10mm driver does really help .

Too many? Yes way too many but all earphones here cost 60USD and less each.

Direct/ closest competitors. CKR9LTD, E700M and old E10M.
Sound quality;
Initial sound out of the box is totally unremarkable, that mean it really need a burn in. Now it has more than 60 hours of burn in period by continuous music playback on my Lenovo A397i.
The most prominent feature in its sound for me is the airiness, and big sound stage. Just below Audio-Technica CKS990 but above Audio-Technica CKX9. The details is very impressive, even better than E700M and CKR9LTD. Not by much but still noticeable. Bass amount rated at 7/10 but it has proper impact and fast enough for even dance/EDM song. Song like 300 Violin Orchestra and Taylor Dayne's Tell It To My Heart did bring out the extra amount in details and really setting it apart from the already excellent E10M. Treble amount at 8/10 with some noticeable coloration but no sibilant at all. So E80 has huge sound stage and airiness of sound, with a lot of details and noticeable instruments separation, above average bass with proper impact and fast response, and some smooth treble. Very much balanced sound indeed.
Comparison with Onkyo E700M;
Simply put , I prefer E80 sound quality overall. Just wish that I bought E80 earlier , but I got E700M for a good value so all is not loss here. E700M is more in look and style department. The 1/2 in ear design with oval nozzle make it harder to stay in ear and big driver make big and heavy housing too. Overall soundstage and and bass is on E80 side while other aspect like vocal, treble and detail are almost equal.
Comparison with Soundmagic E10M;
No competition . E80 is better in sound quality and built quality to. E10M has more V-shaped sound to it but still very fun to listen to.
Conclusion;
Obviously this E80 is my new best earphone. It is not the best in all frequency/sound quality wise. Soundstage/ bass king is still belong to Audio-Technica CKS990, while details and treble are actually belong to my old Sony EX650 and Audio-Technica CKX9. I pefer vocal on Audio-Technica CKR9LTD. But collectively as 1 package this E80 is unbeatable both in sound quality and built quality. If you can find a BNIB with excellent value please go for it. It is easy to recommend this as compared to other earphones like CKS990, CKX9,CKR9LTD or even E700M.