The problem with Bluetooth headsets is that they are very small and can easily be lost. The "Mooon+" concept offer the next best thing by having a detachable Bluetooth headset built into the phone itself. Click here for first picture in gallery.
..got that big gorgeous touchscreen, sleek design, sexy metal accents, and a digital camera. So what's the big deal right? The mouth piece detaches and turns into a bluetooth headset[via Yankodesign]