Features: - Connect seamlessly to any desk phone via RJ09, e.g. Avaya, Unify, Mitel. Connect to laptop/PC with USB cable from base, for use with soft clients. Pair up to 4 headsets to one base for easy call conferencing and training. - Speech is secured with 64-bit encryption. - Multi-function button on the ear for volume, answer calls or end calls - Headset and battery status lights on base, also a mic and receiver volume adjustment - Provides EHS or handset lifter (lifter not included) support - Optimised for VoIP and Unified Communications - Big and soft Leatherette ear cushion - Excellent Noise Cancelling Microphone - Wideband audio for exceptional sound quality Specifications: - DECT 30m indoor range - 8 hours talk time - 36 hours of standby time - Lithium Ion-polymer battery 300mAh typical What's in the box Headset, base, 2-pin power adaptor, RJ09 cable, USB cable, user manual