Jabra GN9125 SoundTube Mono with Lifter Brand New Includes One Year Warranty Replaced by Jabra GN9125 FLEX Product # 9125-30-15 The Jabra GN9125 ST convertible headset is perfect for today?s professionals. It operates on the 1.9GHz radio frequency band, which is a reserved channel for telecommunications equipment using DECT 6.0 technology ? providing low interference and high quality audio. Offering an unbeatable range of personal mobility in the office, a robust talk time and a host of innovative features and benefits, this headset will give the user complete wireless freedom in the office. The unique 4-way conference call feature lets you hold fully mobile, secure conference calls not restricted to meeting rooms. The GN9125 ST comes with a deluxe charger base, Soundtube boom microphone, and can be worn over the head or over the ear. GN9125 ST Features Up To 300' 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 12 Hours Talk Time Mute PeakStop Technology Protects Against Sudden Loud Sound Spikes Omni-Directional Boom Adjustable Volume Single Earpiece Wireless Headset Easy Hands-Free Conversation Interference Free Communication Deluxe Charger Base SoundTube Boom Microphone Connects To