Remember the Sound Leaf? Unless you live in Japan, there's a very good chance you don't, so let us refresh your memory: it's a rather interesting Bluetooth device that looks a bit like a miniature handset and functions as a bone-conduction receiver for taking calls in noisy environments. It's a cool idea -- Bluetooth headsets are very, very rarely as loud for the wearer or as noise-free for the person on the other end of the call as they should be -- but for whatever reason, the technology really hasn't taken off in full force. Again, that's unless you're in Japan -- because NTT DoCoMo's just released the Sound Leaf+, a new take on the original that looks almost exactly the same but trades an all-white color scheme for a more in-your-face black getup and apparently features improved reception. It'll go for about 15 hours on a pair of AAA batteries, and the mouthpiece folds conveniently away when not in use. We'll take a dozen, NTT; you can float 'em across the Pacific in a bottle, if you like.

[Via Slashphone]

Wow, we'd darned near forgotten about this thing. Remember the Invisio Q7, Nextlink's hot little bone conduction number from mid '06 that was promised for delivery by the end of the year? Yeah, it never showed up -- until now. It may not be for sale just yet, but at least a few folks at the FCC have had a chance to check it out (ick, we hope they changed earbuds as they passed it around), giving us hope that it'll finally show up in stores in time for the holidays. The $200 price point still puts a sour taste in our mouths, but considering how much smaller it looks than the similarly-spec'd Jawbone, it may end up being worth every penny.

It's hard not to love the concept of bone-conduction headsets: government-funded technology (much like the iPod), fairly positive reviews on sound quality in noisy environments, and most importantly, they represent the closest most of us will ever get to bionic implants. The tech is still fairly young, though, and previous entries from Nextlink and Aliph have come up short in the size and, uh, wire departments. Nextlink's at it again with their latest entry, the Invisio Q7, and both issues appear to be solved. The Q7 takes the shape of Nextlink's well-liked Bluespoon line, adding Bluetooth and a send/end button for good measure. At $200, the headset is a bit steep when it looks to drop toward the end of the year, but if it means we can hold a phone convo in the middle of a raucus Engadget reader meetup, we're all for it.

[Via phoneArena]