Sennheiser’s wireless earbuds slim down in a big way with the HD1 Free

Sennheiser is announcing three new headphones today: two brand new models of wireless earbuds, and a redesigned version of what the company claims are the “finest pair of ear canal phones on the market.”
At the top of the list is the Momentum HD1 Free (seen above), a new entry in Sennheiser’s line of fashionable but good-sounding headphones. It’s a pair of neckbuds, but they aren’t attached by one of those huge plastic neck straps — there’s just a cord i