Single dynamic driver in-ear by Korean micro-speaker company called Dynamic Motion.
“-- Can the Dynamic Motion DM100 initial good looks be backed up by a good overall package? Let’s find out. ~ All photos were taken by me, no stock photos from the manufacture are used ~ *Accessories* - 4 Pairs of Silicon Ear Tips (XS, S, M, L) - 1 Pair of Medium Sized Comply Tips (T400) - 1 Cord Clip - 1 Airplane Adapter -...” --BloodyPenguin
“ These IEMs have an MRSP of $40. For that price they are not worth it. However, in many discount places, especially in Canada, you may find these @ $15 or less. If you find them for this price, grab them. I personally paid $10. Sound is great for the price. They look very rugged and feel solid, I believe they are made from aluminum. The cord is also tangle free and feels very nice....” --thug behram