For the ultimate in wireless freedom, look no further than the Explorer 330 Bluetooth Headset, which represents a generational leap in Bluetooth headset technology. Extremely easy to use and set up, and weighing less than one ounce, the Explorer 330 is comfortable and light enough for all day wear, offers unprecedented clarity and sound quality, and was designed to fit either ear perfectly.

The one-touch call control button is placed for easy access, and you can easily redial the last number dialed and initiate voice-activated calls directly from the headset. Lastly, not only does the Explorer 330 allow you to remain hands-free, you can also roam up to 33 feet away from your phone and still maintain crystal clear reception via the Explorer 330's robust Bluetooth abilities.

Description from Shopping.com
The Plantronics Explorer™ 330 is a classic, affordable, and lightweight headset that fuses Bluetooth wireless technology with effortless call control for a true hands-free experience. The Explorer 330 headset is easy to use and incorporates all call features—volume, answer/end call, last-number redial, and voice-activated dialing—into one single button. Delivering up to eight hours of talk time, the Explorer 330 provides the convenience you want and the mobility you need to suit your busy, active lifestyle.