Yealink YHS32 Comfortable and Affordable Headset for Yealink IP Phone DESCRIPTION: Yealink YHS32 is the over-the-head style headset which is made for office worker, SOHO, or call center staff. It is compliant with the full range of Yealink enterprise IP phones. It features professional design, with large size ear pad, padded T-bar, pliable steel headband, 330 adjustable microphone boom and ultra light weight with only 50g. This is ensuring user remarkable comfort even wearing all day long. The ultra noise cancelling technology improves excellent voice quality. Moreover, the Quick Disconnection jack enables user quick leave for a short time or switch to other sound equipments. Yealink YHS32 stands its unique position in the market with the combination of comfortable experience, durable life cycle, superior voice quality and competitive price. Physical Features: 1x RJ9 headset jack. 1 meter cord line. Quick-disconnect(QD) cord. Transmit Sensitivity: -38.0 dB re. 1 V/Pa. Receiver Sensitivity: 95dB SPL +/-3 dB SPL. Receiver Impedance: 150. Voltage range: 1.0 - 10 V. Net weight: 50g. Accessories: -leatherette ear cushion, foam ear cushion, adjustable clothing clip, headset hanger.