Jabra Engage 65 SE Stereo Professional Wireless DECT Headset 9659 553 117 wireless network booster (1) Height: 11cm 4 TM600 60SS (1) Height: 11cm 4 The Jabra Link 400 USB A DECT adapter provides a wireless range of up to 150 metres Model Engage 65 SE Stereo Part Number 9659 553 117 Product Type Professional Wireless DECT Business Headset Connectivity Technology Wireless DECT Wireless Range Up to 150 metres Wearing Style Stereo Headband Sound Output Mode Stereo (Binaural) Speaker Type On Ear Stereo Speakers Microphone Type Noise Cancelling Boom Microphone Noise Reduction Supported Hearing Protection Technology SafeTone 2 0 Encryption FIPS 256 bit Encryption Battery Type Rechargeable Lithium Ion Talk Time Up to 13 hours Standby Time Up to 52 hours Charging Time Approximately 90 minutes Ear Cushion Material Soft Leatherette Cushions Colour Black Included Base Station Yes Compatible Operating Systems Windows