Single Ear Headset for Avaya J139 J169 & J179 IP Phones + FREE RJ9 Plantronics QD Lead - QD009

Premium Compatibility: Eartec Office 308 Headset is the best in its class for a single ear headset, compatible with Avaya J139, J169 & J179 IP Phones Durable Construction: The eartec office 308 headset is designed to work in a more testing environment with metal encased headband that is wider than normal and stiffer microphone boom for enhanced durability, featuring big ear pad and plush soft protein leatherette ear cushion for whole day wearing comfort, ratchet style microphone boom for easy adjustment, and luxurious soft designed T-Pad Superior Audio Features: Single earpiece offers superb clarity of sound with international standard hearing protection, flex mic boom for adjustment and accurate positioning, click-stop headband for superior fit and comfort, and leatherette ear cushion for all-day comfort Ergonomic Design: Comfortable ear cushions, lightweight headband and flexible cord design, along with adjustable microphone boom to enhance audio quality and all-day wearing comfort, 330° rotatable MIC pole, 60mm adjustable T-Pad headband, 180° rotatable joint of speaker and headband, CE and FCC certificated with 2-Year Warranty Versatile Connectivity Options: Foam ear cushion is optional, intercom connector options include 4P4C (RJ9) plug, 2.5mm, 3.5mm stereo plug or USB2.0 plug, M-Volume Controller with Mic Mute is optional, and QD Quick Disconnect feature for easy cable management