Telephone Headset with Microphone - Landline Phone Headset with RJ11 Jack, Noise Cancelling Headphones for Yealink Grandstream Office Desk Phones

Features:100% brand new and high qualityNoise-cancelling microphone filters out background noise, so voice transmission is exceptionally clearBendable mic arm 330 degrees rotatable to be positioned for optimal comfort and voice transmissionSpeaker and headband connection rotate 360 degreeQuick-disconnect functionStylish design, lightweight, durable and comfortable for all day useSpecifications:Material: Metal, ABS and POMFrequency response range： 20-22000 (Hz)Wearing method：Head-mountedSensitivity:118 (dB)Wire length : 1.6 (m)Impedance ：150 (Ω)Sensitivity:-36dB±2dBHeadphone wire material: PUPackage included:1 x RJ11 headset

• RJ11 Telephone Headset: Stylish all-black design, lightweight, durable and comfortable for all day use.
• Noise-cancelling: The phone headset with microphone filters out background noise, so as to protect your hearing and assure crystal clear chat.
• Adjustable: 330° rotatable & bendable mic arm, it can be positioned for optimal and comfortable voice transmission. Swing-sway feature lets you move the mic out of the way for breaks.
• Use: The perfect choice for the call centers, telemarketing staff, office and home use.
• Notes: This 4-Pin RJ11 Crystal Jack Headset only works for some specific landline phone models, NOT for Smartphones and computers. Please consult us for compatibility advice if in question.