Review on V5.0 Bluetooth Headset with Noise Canceling Mic for Cell Phone - Ultralight Business Earpiece for Driving, Trucking, and Office Use - Sweatproof Earphone for Android/iPhone/Smartphone by Joe Duncan

The headset has acceptable sound quality and battery life. The microphone seems to offer good audio quality for phone calls, but I can't test the noise-cancellation feature. The Bluetooth connection is weak. The sound quality is noticeably different when I put my iPhone in my pocket instead of holding it close to the headset. This may be an issue with my iPhone as I've noticed the same phenomenon with another headset. The headset was advertised as waterproof which was the main reason I chose it. However, when I wear it in the shower it sometimes turns off and I may have to wait a few hours before I can turn it back on. So I don't think it's waterproof.