Landline Telephone Headset with Noise Cancelling Mic for Desk IP Phones RJ9 Phone Headset, Work Polycom VVX411 Avaya 9508 Mitel 5312 ShoreTel BT Converse 2300 NEC Call Center Home Office

RJ9 TELEPHONE HEADSET (NOT for Mobile Phones/PCs): 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 Snom 300. Pls Check COMPATIBLE PHONE LIST IN DESCRIPTION. ALL DAY COMFORT: This lightweight RJ11 office phone headset with high quality and soft leatherette ear cushion, provides an ultra-lightweight fit. Adjustable and bendy headband to fit all head sizes, and keep the head comfortable. CRYSTAL CLEAR CALLS: Binaural Telephone Headphone offers natural listening experience, Noise-cancelling microphone to reduce background noise, Wideband Audio delivers clearer conversations, while Acoustic Shock Protection Circuit protects your hearing. ULTRA DURABLE: Precision Design, High-quality Plastics, uni-body headband construction and flexible boom microphone make this Call Center Headset sturdier and more durable. Volume control and mute button built-in. 2-YEAR WARRANTY: 45 days money back & 24-month worry-free for RJ9 Telephone Headsets. 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 contact us for Compatibility Guide.