Key Features: The headset cable ends in a GN Quick Disconnect (QD) connector. Requires a GN QD bottom cable to connect to the laptop or phones below, but this cable IS NOT included as there are too many options to include them with the headset. Compatible with soft clients on laptops or desktop PC's via a USB bottom cable, that IS NOT included with the headset. Compatible with desktop phones e.g. Yealink, Polycom, SNOM, Cisco, Grandstream, Fanvil, Avaya, Unify, Mitel that has an RJ09 headset port, via a RJ09 bottom cable, that IS NOT included with the headset. The bottom cables are available on TakeALot to be ordered separately. Optimised for VoIP and Unified Communications Big and soft Leatherette ear cushion, foam option in box Excellent Noise Cancelling Microphone Wideband audio ensures a more natural voice Padded T-Bar So light weight, you can wear it all day Technical Specification: Receiving Type: Dynamic moving coil Connection type: Quick Disconnect Microphone Type: ECM Microphone Directivity: Cardioid Wearing Style: Adjustable headband Microphone Boom: 300 degrees adjustable Joint of speaker and headband: 20 degrees rotatable Storage Temperature: -40 Degrees Celsius - 70 Degrees Celsius Frequency: 150-6.8kHz Speaker Impedance (Mono): 150 ohm plus/minus15% Speaker Sensitivity

1kHz (Mono): 98 plus/minus 3dB Microphone Sensitivity at 1kHz: -41 plus/minus 3 dB What's in the box Headset, Spare foam ear cushion, User guide, Clothing clip