Tangxi Hands-Free Call Center Noise Cancelling Corded Binaural Headset Headphone for DC 2.5MM Telephone, with Boom-Style Mic for Most Cordless Phones

This is a call center headphone with a noise canceling microphone and the sound quality is very good. There are speaker volume adjustment and mute function. Comfortable to wear, suitable for long-term uninterrupted use. It is the first choice for telephone customer service/telephone sales. Specification: Model: H500D-2.5 Material: ABS Colour: Black Plug: single 2.5mm Wearing method: head-mounted Whether wireless headphones: No With or without a microphone: Yes Impedance: 150? Horn diameter: 28mm Headphone cable material: PU Size: 17 * 13 * 5cm / 6.7 * 5.1 * 2.0in (overall) 5 * 5 * 3.5cm / 2.0 * 2.0 * 1.4in (single earplug) 250cm / 98.4in (cable length) Weight: approx. 186g Package List: 1 * Headphone 1 * English Manual