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
Active Noise-canceling Earbuds Actively Eliminates Up To 75% Of Unwanted Noise Includes 3 Comfort Fit Silicone Inserts Convenient In-line Control Hub Houses Noise Cancellation Circuitry Includes 1 Aaa Battery Includes Iphone (tm) Adapter, Airplane Adapter & Carrying Case
“I bought these becuse they seemed high tech and were 75% off. They were strangley not comfertable or user friendly enough for me to put more than 30 hrs on them. Two years later I just pulled them out for comapison reference, and they actually sounded pretty good. They are still fiddley, meaning, I am always aware that they are there, and the bass is meh, ok, and the treble is tiring. I have...” --aafanatic