Description Calltel HW361N Stereo Headset – Noise-Cancelling Mic – Quick Disconnect Connector The Calltel HW361N Stereo Broadband Audio Noise-Cancelling Headset with Quick Disconnect Connector is a great option for a full day at the office. It features a noise-cancelling microphone and a quick disconnect connector for ease of use and convenience. It features an ergonomic comfortable design with an adjustable headband that allows you to wear it for a long time, making it perfect for all-day working hours. For extra safety, it features acoustic shock protection which limits the acoustics. The earpiece itself features a soft leatherette ear pad which can be replaced if needed. Please note that the quick-disconnect connector accessory cables must be purchased separately depending on your setup and connection preference. Features Noise-cancelling circuit Super-Pro sound quality The cable is durable, can bear 20KG pull, rotate more than 60000 times, 345° Broadband design enhances audio Acoustic Shock Protection Adjustable headband Replaceable soft foam earpad Quick disconnecting (QD) connector, protecting the headset and Phone/PC