Professional Telephone Wireless Headset, Remote Hook On and Off, Incoming Call Alert, Large Earpad, Elegant Magnetic Headset Charging Stand, Visual Glass Call Indicator, and Busy Light Indicator Jack | Crystal-Clear Communication Anywhere, Two Year Warranty for Polycom Phone (Not Computer Phone), 20 Year Proven Quality Brand in The World. Don't Compare it with a General DECT / Bluetooth Headset. Compete with a few Top Brand Wireless Headsets | Package Deal Price : Professional Desk Phone Call Wireless Headset plus Remote Hook Switch Device (EHS) for Poly Polycom Edge E100 E220 E300 E320 E350 E400 E450 E500 E550, CCX 350 400 500 600 700 and Any VVX models | Newest 300 feet Wireless DECT 6.0 Technology Headset - Transform your landline phone (Not PC) with this wireless headset for work, allowing you to roam up to 300 feet away from your desk. The office wireless headset DECT technology ensures a significantly broader range than Bluetooth, providing unparalleled freedom in your workplace. | Max 10 Hours Talking, 50 Hours Standby Time : Maintain uninterrupted conversations with a generous 10-hour talk time, ideal for extended work sessions. The Long Lasting telephone headsets is the Essential Battery feature for Office Desk Phone Headset.