2 of 3 people found the following review helpful
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This review is from: Sennheiser MM70i In-Ear Headset with Smart Remote and Mic for Apple Devices - Black (Electronics)
After several pairs of the mm50i, some of them fake (ebay), some of them real, I gave up on them... they broke down really quickly (even the original ones), lasted 3-6 months maximum as I use them every day, for music and phone calls equally. Also the lack of remote made them uncomfortable to use.
The MM70i is what I always needed: been using it now extensively for 9 months, no cracks, no flaws, great sound quality, the remote is small and light, still very useful, price is ok for what you get.