Scosche promised a soundtrack to our biking and hiking when it unveiled the BoomBottle back in January; conveniently, it's shipping the Bluetooth speaker right as the spring thaw lets us give the peripheral a proper workout. The outdoorsy among us can now spend $150 to get a dust- and splashproof stereo system that fits into a bike's water bottle holder, or on a backpack through a carabiner, and plays for 10 hours on a charge. We'll have to wait, though, if we want a dash of color while we bombard othe