Tune out the world, tune in full-spectrum stereo music and conveniently switch to calls on your music-enabled phone. Sound-isolating stereo earbuds seal out noise and seal in sound for better listening while AudioIQ® two-way noise reduction technology digitally enhances sound to improve call quality on both sides of the call. Conveniently answer and end calls by extending and retracting the sliding boom. One-touch buttons let you control calls and music from your headset. At only 15 grams, it’s lightweight, comfortable and discreet. On the train, on the road, on the move—the Plantronics Voyager™ 855 Bluetooth headset is the perfect convertible for traveling life’s highway.

Easily convert mono headset to stereo listening with detachable cable. The detachable stereo cable clips quickly and easily to the headset to deliver rich stereo sound. When you don't need stereo sound simply disconnect it or wear it behind your neck. Bluetooth version 2.0 + EDR (Enhanced Data Rate) with Headset and Handsfree profiles and A2DP for track forward and back, pause and play. Supports last number redial and voice-activated redialing. 7 hours of talk-time, 160 hours standby time or 6 hours of listening on a single charge. Includes sound isolating earbuds in 3 sizes (S,M,L) to help you make a perfect fit.