Plantronics Bluetooth Voyager Headset With Charger 855 Dual-mic AudioIQ adaptive noise reduction cancels background noise for enhanced call clarity Incoming call tones pause your music so you never miss a call One-touch buttons control your calls and music Accessories that can be ordered; ear loop stabilizer, ear bud replacements,stereo plugin cable Up to 7 hours of talk time, 160 hours of standby time from a single charge