Callez Wired Telephone Headset Mono, Call Center RJ9 Phone Headset with Noise Canceling Mic Compatible with ShoreTel 480 Plantronics T10 Polycom Zultys Toshiba NEC DT300 Landline Deskphones

【NOT Work with Smartphone and Computer】See Compatible Phone List in Description. ONLY BUY the item if you have one of phone models in the list. Direct connect landline telephone headsets, Compatible with Some Specific Phone Models from ShoreTel Zultys Toshiba NEC Aspire Dterm Nortel Norstar Meridian Siemens ROLM Packet8. Compatible with Plantronics S12... Polycom 300 301 335 430 450 500 501 550 560 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX311 VVX330 VVX400 VVX410 VVX411 VVX500.... Comfortable Wearing: Monaural RJ9 deskphone headset with soft leatherette ear cushions guarantees a perfect fit. Lightweight office telephone headset equipped with adjustable headband for all-day wearing comfort.. Clear Calls: Hands-free RJ9 Office phone headset with Noise-canceling microphone to reduce background noise. Wideband audio delivers clearer conversations, while Acoustic Shock Protection Circuit protects from listening fatigue and loss.. Extremely Durability：Ergonomically designed call center phone headset made with high impact plastic to continuous use, and equipped with flexible microphone boom ensure more guaranteed life span. Volume control and mute button built-in.. ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION. Buy the item today if you have one of phone models in list. For other phones, please contact us for Compatibility Guide.