Both the volume controller and microphone are fixed to the cable. Noise reducing microphone ensures your voice is easily understood for clear conversations. Over-head style headphones with adjustable headband. Over-ear foam ear cups. -. Performance. Certification. REACH. Country of origin. China. Plug and Play. Yes. Adjustable headband. Yes. Refurbished. No. Backlight. No. Cable colour. Black. Cable length. 1.8 m. Volume control. Rotary. Product colour. Black. Headset type. Binaural. Recommended usage. Office/Call center. Wearing style. Head-band. Product type. Headset. Ports & interfaces. Bluetooth. No. USB connectivity. No. 2x 3.5 mm connectors. Yes. 3.5 mm connector. Yes. Connectivity technology. Wired. Headphones. Driver unit. 2.7 cm. Headphone sensitivity. 105 dB. Impedance. 32 Ω. Headphone frequency. 20 - 20000 Hz. Ear coupling. Circumaural. Microphone. Microphone type. In-line. Weight & dimensions. Weight. 220 g. Packaging data. Package type. Box. Package weight. 82.5 g. Package height. 233 mm. Package depth. 57 mm. Package width. 153 mm. Packaging content. Cleaning tool. No. Windscreen included. No. Receiver included. No. Quick start guide. No. AC adapter included. No. Power bank included. No. Certificates. Compliance certificates. RoHS. Other features. 2.5 mm connector. No
