Anyone who spends time traveling knows how enjoyable having a device like this is when stuck at an airport of waiting for arrangements after business hours. With this in your oversized business valise you are never going to surrender to boredom, but can pull this out and make a lot of business calls without fear of bothering others or having a hard time hearing the person on the other end. The sound quality is very good, and the other features make it both convenient and easy to use. This is basically a newer,improved version of an older model (the CT-9010 which has greater staying power due to an improved battery and is even more portable based on the design improvements. The dial pad fits in your palm or disappears into you pocket. Plantronics products are very well supported, and the Customer Service is also excellent. They were at the forefront of the headset revolution, and continue to be trendsetters here.