The JB-200 supersedes the JB-100 model, which "boldly presented a new design in Bluetooth stereo headsets and headphones." The new/improved headphones bring complete AVRCP music and call controls, 25% narrower ear-tip, better sound isolation (50% longer sound isolating ear-tips), greater comfort thanks to the softer silicon ear-tips, enhanced audio experience (25% more volume and improved bass [...]