4-pin RJ9(4P4C) Plug, NOT RJ11 plug, directly connect over the head headset headphone, no additional amplifiers or adapters required.
Provides all day comfort, clarity and durability for Desk Telephone.
Superior quality sound with the flexible adjustable noise cancellation microphone.
Comfortable lightweight design, shirt clips included.
Sold and warranty by Dragon Flying

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5 inch
Height : 0.8 inch
Length : 6.2 inch

Item Weight: 1.6 ounce (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B00EVPZ8RU