Flexible Spring Wire: RJ9 phone headset with spring wire design, can be stretched at will to avoid confusion caused by the wire being too long. Retractable Headband: Single sided headphone with premium manganese steel headband, retractable and adjustable to adapt to different head sizes, not scratching hands.
The RJ9 Telephone Headset with Noise Canceling and Single Sided Spring Wire Headphone is ideal for professionals working in sound-sensitive environments where noise reduction is crucial, such as telecommunications, audio engineers, or musicians.
