The OpenComm2 UC brings you an advanced open-ear design for superb, all-day comfort, and sustained situational awareness. 7th generation bone conduction technology ensures crystal-clear audio while an adjustable, dual noise-canceling microphone delivers high-quality calls. And with the Shokz Loop110 wireless adapter, you will always be connected to your devices, whether you use a Mac or a PC, in the office or at home. DSP Noise-Canceling Boom Mic Computer Compatibility with An Adapter 16-Hour Talk Time & Quick Charge All-Day Comfort Free Shipping & Free Returns 2-Year Warranty OpenComm2 UC OpenComm2 Wireless Adapter What’s Difference?