The Newest Technology No More Choppy playback, weak batteries, dropped phone calls... Not all Bluetooth headsets are created equal! Bluetooth 4.0 increases Battery Life dramatically while letting you travel further than ever before. The Highest Audio Quality The LOGO Neckband uses the highest quality transducers and hardware, as well as Bluetooth 4.0, and A2DP stereo transfer protocols. That means bigger bass, lighter-than-air treble, and perfect phone call clarity EVERY time. The Most Revolutionary Feel We designed the LOGO NeckBand so that it's an extension of your own body. It's sturdy and comfortable, but lightweight and sweat-resistant... making it the perfect solution for the home, work, the gym, or even while falling asleep.