telephone headset

brand new item open box. Suitable for making office business conference calls, call center phone calls, speech dictation, online courses, language learning, etc. Long Time Wearing Comfort: Adjustable headband length, soft ear cushion wrapped by breathable protein leather offers maximum wearing comfort, fits for different head sizes. Noise Canceling Microphone: Noise-canceling rotatable microphone can block out unwanted background noise for precise voice picks-up, ideal for clear conversation. Wide Compatibility: 3.5mm or USB jack plug and play, no external power needed. Compatible with computers, laptops, smartphones, and other USB/3.5mm audio devices. In-line Control: USB converter cable with in-line control, you can easily control volume up and down, mute mic and mute speaker.