HP INC. Poly 77Y99AA Voyager 4320 Headset With Charge Stand - Stereo, Mono - Wired/Wireless - Bluetooth - 164 ft - 20 Hz - 20 kHz - Over-the-head - Binaural - Ear-cup - 4.92 ft Cable - Electret Condenser, MEMS Technology Microphone - Noise Canceling

Your voice will be heard loud and clear with the boom microphone design to ensure maximum Headset usage efficiency Noise cancellation effectively helps to boost your concentration and avoid background noise and distractions Get rid of the tangles and love your music with these wireless Bluetooth headset Sharp looking over head design will give you a comfortable fit Electret condenser microphone technology ensures easy, convenient talking with maximum efficiency Memory Foam ear cushion material which is cost-effective and has a prolonged life USB Type A host interface for reliable data transfer and enhanced performance Wired/Wireless connectivity technology offers maximum listening convenience Stay connected smoothly with a wireless range of 164 ft Provides exceptional quality sound with greater immersion