Plantronics Voyager 5200 Multipoint Bluetooth HandsFree Headset (203500-05)

Noise-cancellation: Internal, adaptive 20-band equalizer, acoustic echo cancellation, and sidetone detection
Wind Noise Reduction: Six layers of WindSmart® technology
Bluetooth Headset: Yes
Wireless technology
Bluetooth Profiles: Profiles: Phone Book Access Profile (PBAP), Audio/Video Remote Control Profile (AVRCP), Wideband Hands-free (HFP) Profile 1.6 and Headset (HSP) Profile 1.2
Power
Battery Power: Up to 7 hrs/9 days
Battery Type: Rechargeable, non-replaceable lithium ion polymer
Charge Time: 90 minutes for full charge
Connection
Wireless Range: Up to 98 feet/30 meters
Multi-Point: Stay connected to two phones and answer calls from either one

Controls
Call Answer/End: Yes
Dedicated On/Off: Yes
Volume +/-: Yes
Mouth: Yes