Professional Wireless Headset for Office, Work-at-home and UC Users - Superior noise cancelling microphone, DSP (Digital Signal Processing) and echo cancellation eliminate the background noise. - Neodymium speakers deliver more powerful and richer sound. - Ergonomic design and leatherette ear cushions provide all-day comfort. - Walk your way and free your hand with a...

Key Features Extended Bluetooth range up to 50 ft. Listen continuously for up to 5 hours per charge Built-in boomless microphone Digital volume control adjust from your headset. ----- Overview The SP-300BT connects to any Bluetooth ready device. A Bluetooth 4.0 USB adapter is included just in case your computer...