POLY CS545-XD Wireless Earset

CS500 XD series more headsets, more wireless freedom. The Plantronics CS500 XD wireless headset series was designed to address wireless density issues, so that more wireless headsets can be used in the same space while maintaining clear conversations. Using 900 MHz technology, the CS500 XD Series provides up to 350 feet of range, and includes a convertible headset with a hot swappable battery (cs545-xd) for unlimited Talk time. main features connectivity technology: wireless wireless technology: rf wireless operating distance: 350 ft sound mode: mono earpiece design: over-the-ear, over-the-head earpiece Type: monaural microphone design: boom microphone technology: Noise cancelling form factor: outer-ear weight (approximate): 0.74 oz