RJ9 Telephone Headset with Microphone Noise Cancelling, Phone for Polycom VVX310 VVX410 VVX411 Mitel 5220 5312 5320 AVAYA 1408 1416 9508 Shoretel NEC BT Converse 2300 Landline Desk IP Phones

RJ9 TELEPHONE HEADSET (NOT for Cell phones and Computers): Corded Landline Phone Headsets work for Some Specific Phone Models from Polycom VVX300 VVX310 VVX311 VVX330 VVX400 VVX410 VVX411 Mitel 8528 8520 5320 5324 5330 5340 MiVoice ShoreTel InterTel AVAYA Aastra NEC BT Converse Alcatel Lucent. Pls Check COMPATIBLE PHONE LIST IN DESCRIPTION. 2-YEAR WARRANTY: Ideal for Call Center, Office and Home, Business, Telemarketing, Customer Services, Consulting, Conference Calls. ONLY WORKS FOR SOME SPECIFIC PHONES WITH RJ9 JACK LISTED IN DESCRIPTION. NOT for Smartphones and Computers. For other phones, please consult us for Compatibility Guide. CLEAR CALLS: Binaural Office Telephone Headset with microphone works for Polycom Mitel landline phones offers natural listening experience, Noise-cancelling microphone to reduce background noise, Wideband Audio delivers clearer conversations, while Acoustic Shock Protection Circuit protects your hearing. ALL DAY COMFORT: This lightweight telephone headphone with high quality and soft leatherette ear cushion, provides a perfect fit. Adjustable and bendy headband to fit all head sizes, and keep the head comfortable. ULTRA DURABLE: Built-in volume control and mic mute button. Precision Design, High-quality Plastics, uni-body headband construction and flexible boom microphone make this Call Center Headset sturdier and more durable.