Plantronics Savi W720 Multi-Device Wireless Headset System - US Warranty - Blackbout this item One intelligent headset to manage PC, mobile and desk phone calls Hot swappable battery for unlimited talk time (Additional battery sold separately) Wireless freedom up to 350 Feet from your desk. Audio performance : PC + desk phone Wideband: up to 6,800 Hz One touch call answer end, vol + , mute & flash controls across devices Noise cancelling microphone & dual ear pieces help filters out background noise for you and the receiver

Discover Adapt 30 is the only headset on the market that includes both mono and duo wearing styles in the box

Designed for the rigors of call-intensive environments

<li>Single earpiece with adjustable headband<li>Adjustable headband<li>Soft ear cushion<li>Quick Disconnect <li>Requires M-12

Equipped with super soft leather ear cushion

adjustable headband and noise canceling microphone allows you to hear and be heard crystal clear

Connects to most desk phones via a direct connect cable or amplifier (both sold separately)

30-100 feet of wireless range to allow you freedom to move around

Includes foam and leatherette ear cushion

The product is backed by a minimum 90-day warranty

This headset is built for all day use and is easy as plug and play into into pc or mobile devices

Up to 7 hour talk time per battery (add second battery for unlimited talk time)

decide where you work