CNET has a review of the Gennum nX6000 and writes - “Although we were mostly pleased with the design of the headset, we couldn’t help but find the controls a little awkward. Like most Bluetooth headsets, you have to press the multifunction button in certain lengths of time and listen for a certain tone depending on what function you’re trying to perform. However, the nX6000 seems a little more time-sensitive than most. For example, the difference between ending a call, muting a call, and putting a call on hold is about one to two seconds of button pressure between each step. If you’re a second late or early, you might end up performing a completely different function. We did finally learn how to time our button pressing, but you should read over the user manual to get the hang of it.”

Read more about the Gennum nX6000 Bluetooth headset