ONLY COMPATIBLE WITH Cisco Unified IP Phones:7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Plantronics Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters | Most Comfortable Headset: Super lightweight office telephone RJ headset with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. | Built-in Voluem control and Mute Switch | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable. | ONLY WORKS FOR SOME SPECIFIC PHONE MODELS LISTED ABOVE. Not compatible with Cisco Spa phone series. For other phones, pls contact us for Compatibility Guide or Advice.

NOT COMPATIBLE WITH AVAYA ,CISCO,YEALINK PHONES and SNOM Phones.ONLY COMPATIBLE WITH SOME SPECIFIC PHONE MODELS LISTED IN DESCRIPTION. | All functions on headset and phone would function same | Convert smartphone headset to 4P4C RJ9/RJ10 plug for office telephones. | Please Check the Compatible Phones list before your order.DO NOT BUY THE ITEM IF YOU CAN NOT FIND YOUR PHONE MODEL IN LISTS, CONTACT US FOR ADVICE.

ONLY works for AVAYA 1608 1616 9620 9630... or CISCO 7902 7905 ...7912 or Grandsteam GXP 14xx ...GXV 3275 or YEALINK T19P...T48G SNOM 300...821 and MORE DESKPHONES LISTED IN DESCRIPTION. | Don't Compare This Professional Headset with General Headsets. All Day Wearing Comfort, Compete with Jabra GN netcom and Plantronics High-Grade Headsets for Call Center,? | Quick Disconnect headset + QD Headset Cable . Quick Disconnect is an Essential feature for Professional headset. It allows you to walk away without remove the headset. | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable.

Convert your exist headsets with Plantronics Quick Disconnect connector to USB plug headset for computer/laptop, soft phone and more | Plug-and-play USB interface - no drivers needed. | Compatible with Plantronics quick dis-connector type like the H-Series Headsets, or same style QD connector like pictured | No volume and mute adjuster. | Cable Length: 3.5 feet

Volume control for Speaker and Mute switch for Microphone. | ONLY COMPATIBLE WITH Cisco Unified IP Phones:7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters | 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, pls contact us for Compatibility Guide or Advice. | High Sound Quality for Clear Communication: Wideband Sound telephone headset enables natural listening experience, features Noise Canceling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing. | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality microphone makes this call center headset sturdier and more durable.

ONLY COMPATIBLE WITH Cisco IP Phones:7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 | Quick Disconnect allows you to disconnect from your headset without losing your call | Direct Connect Over The Head Headset, No Additional Applifiers / Adapters Required. | Superior Quality Sound with the Flexible Adjustable Microphone. | Comfortable wear, compact appearance, human engineering design, Can be uninterruptible using.The headset clip can be stretched freely and comfortable wear.

ONLY COMPATIBLE WITH Cisco Unified IP Phones:7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters | ONLY WORKS FOR SOME SPECIFIC PHONE MODELS LISTED ABOVE. Not compatible with Cisco Spa phone series. For other phones, pls contact us for Compatibility Guide or Advice. | Direct connect over-the-head headset headphone, No additional amplifiers or adapters required, Most easy setup headset solution. | Most Comfortable Headset: Super lightweight office telephone RJ headset with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable

Can plug either into handset port or headset port | Handset or Headset Splitter | Easy setup, plug and play | Complete with RJ9/RJ12 plug | 17.5 inch long.

Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug. | All functions on headset and phone would function same. Easy Setup, Plug and Play | Only works for some specific phones. Please see compatible phone models list in description below

Attentiono: Not Compatible with CISCO Spa phone series and Models 7911 7912 7811. ONLY Compatible with Plantronics M10, M12, M22 & MX10 Amplifiers and CISCO IP phone models : Cisco IP 6921, 6941, 6945, 6961, 7821, 7841, 7861 Cisco IP 7940, 7940G, 7941, 7941G, 7942, 7942G, 7945, 7945G Cisco IP 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G Cisco IP 7970, 7970G, 7971, 7971G, 7975, 7975G Cisco IP 8811, 8841, 8851, 8861, 8941, 8945, 8961, 9951, 9971 | ONLY WORKS FOR SOME SPECIFIC PHONE MODELS LISTED ABOVE. For other phones, please contact us for Compatibility Guide or Advice. | High Sound Quality for Clear Communication: Wideband Sound telephone headset enables natural listening experience, features Noise Canceling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing. | Comfortable Headset: Super lightweight office telephone RJ headset with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable.

USB Binaural Headset With Microphone, Makes it Plug and Play with your Laptops PCs Computers Mac.You just simply plug this modular plug into the USB on your computers and it's ready to be used. | In-line Volume Control and Mic Mute, You could Adjust the Volume of the Headset or Mute from a Conversation if it is inconvenience while Talking.External intelligent mute button with LED indicator. | Comfortable Headset: Super lightweight USB headset with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. | Quick Disconnect(QD) feature enables you to walk away without removing the headset. | Plug and Play, No drivers needed for PC, Computer, Laptop, Mac…USB compatible devices. Perfect choice for working or studying from home.Telephone-intensive users, including formal customer care centers, help desks, telesales, and customer service organizations.

Please see the Compatible list in the description.2.5MM TELEPHONE HEADSET: Compatible with Cisco Linksys SPA Polycom Grandstream Panasonic Zultys Siemens Gigaset Uniden AT&T Office IP, most Cordless Dect Phones and some old cell phones with standard 2.5MM HEADSET JACK. | Simple to use, no need additional adapter, just connect the headset’s 2.5mm connector to your telephone’s 2.5mm headset jack. Press headset button on the phone’s keypad to use the headset. All phone functions control by the phone keypad can also be used for the headset. | Comfortable To Wear -- made of the flexible metal hose with the positioning accuracy MIC + Structural Design + Durable. | Super Durable: Precision design, quality plastics, unibody headband construction, superior quality?microphone makes this call center headset sturdier and more durable. | Built-In Adjustable Volume + Mute Control

Compatible with Jabra GN Quick Disconnector and other SAME QD headsets.NOT For Plantronics QD headsets. | Easy installation, no need driver. | Digital Audio/Sound Quality | No Volume and Mute Switch. | Cable Length:43 inches

No more reaching under or to the back of your office phone to plug in a headset | Great for hot desking where headsets are switched out often | Works with all direct connect headset models including Plantronics & Jabra | Works with all phone models including Cisco, Nortel, Avaya, Polycom, Mitel etc | About 12 inch long.

Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug | Save money by buying a smartphone headset, or using your existing one with your phone's handset jack. | ONLY COMPATIBLE WITH Cisco Unified IP Phones: 7931G 7940 7940G 7941 7941G 7942 7942G 7945 7945G 7960 7960G 7961 7961G 7962 7962G 7965 7965G 7970 7970G 7971 7971G 7975 7975G 6921 6941 6945 6961 7821 7841 7861 8811 8841 8851 8861 8941 8945 8961 9951 9971 and Plantronics Amplifier: M10 M12 M22 & MX10 Vista Modular Adapters | BUY THE ITEM TODAY IF YOU HAVE ONE OF THE PHONE OR AMPLIFIER MODELS LISTED ABOVE. NOT COMAPTIBLE WITH CISCO SPA SERIES

CONNECTION TYPE : Connects to and works with ALL Plantronics and VoiceJoy QD Headsets, alternative to Plantronics U10 Adapter 26716-01 cable, Quick Disconnect to RJ9/RJ11 connection and works with all phones listed below, If your phone type or model is not listed please contact us before purchasing. | ONLY Compatible with Plantronics M10, M12, M22 & MX10 Amplifiers or CISCO IP phone models : CTS 500 Cisco IP 6921, 6941, 6945, 6961, 7821, 7841, 7861 Cisco IP 7931G, 7940, 7940G, 7941, 7941G, 7942, 7942G, 7945, 7945G Cisco IP 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G Cisco IP 7970, 7970G, 7971, 7971G, 7975, 7975G Cisco IP 8811, 8841, 8851, 8861, 8941, 8945, 8961, 9951, 9971 | ONLY WORKS FOR SOME SPECIFIC PHONE MODELS LISTED ABOVE. Not compatible with Cisco Spa phone series. For other phones, pls contact us for Compatibility Guide or Advice. | NOT FOR Jabra GN headsets as the photo shows. | COMPARE with Plantronics Cisco Cable 26716-01 cord

Convert your exist headsets with Plantronics Quick Disconnect connector to USB plug headset for computer/laptop, soft phone and more | Plug-and-play USB interface - no drivers needed. | Compatible with Plantronics quick dis-connector type like the H-Series Headsets, or similar style QD connector like pictured | No volume adjuster. | Cable Length:44 inches