Plantronics Savi W740 Product # 83542-01 The Plantronics Savi W740 Savi wireless headset system delivers the best in voice communication. With three-way connectivity you can easily manage and switch between PC, desk phone, and now mobile calls from a single wireless headset. This system offers a longer wireless range for natural movement, a variety of comfortable wearing styles, interactive software for personalization and an adaptive battery system for longer battery life. The Savi W740 gives you an energy efficient option to power usage. Savi W740 Features Replaces Plantronics WO100 Up To 350' Range New DECT 6.0 Technology DECT Security Certified Interference Free Communication Increased Clarity / Enhanced Security Wider Range / Network Friendly 1.9GHz Wireless Headset Dedicated for Cordless Phones by the FCC 30% Battery Life Increase Over 5.8GHz Up To 7 Hours Talk Time Mute One-Button Answer Noise-Canceling Microphone Adjustable Volume Digital Signal Processing Technology Enriches Sound Quality Wireless Headset