The Fanvil HT201 is a black monaural over-the-head headset designed to integrate seamlessly with Fanvil IP phones. It features a 28 mm speaker with an impedance of 300Ω and a frequency range between 150 Hz and 6400 Hz, ensuring clear communication for office workers and call center staff. The audio quality is further enhanced by wideband support and noise cancellation technology, which helps filter out background distractions during professional calls. Constructed from lightweight plastic, the headset connects via a quick-disconnect (QD) cord to an RJ9 jack, allowing you to step away from your desk without removing the earpiece. With a speaker sensitivity of 95 db ±5db and a microphone sensitivity of -42 db ±3db, it provides a balanced acoustic experience for those in SOHO or corporate environments. The package includes the headset, the necessary QD to RJ9 cable, and a user manual to get you started.