HTC may be over the idea of including premium earbuds with its smartphones, but Motorola is stepping up to give it the ol' college try with its Motosmart Mix XT550. The phone will sell in China for ¥1,699 and is targeted at "people who really care about music." Along with the bundled set of headphones, you'll also discover a dedicated button to open the Sina Micro Music application. Beyond these selling points, however, the handset is a bit behind the curve. The XT550 features Android 2