The Calltel H650NC Mono-Ear Noise-Cancelling Headset with the UC2000T Quick Disconnect USB Sound Card Adapter Cable is a great option for a full day at the office. It features a noise-cancelling microphone and thanks to the included adapter cable, you can pause, start or adjust the volume for ease of use and convenience. It features an ergonomic comfortable design with 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.

FEATURES:

• Noise-cancelling microphone
• The cable is durable, can bear 20KG pull, rotate more than 60000 times,345°
• Acoustic Shock Protection*Adjustable headband
• Replaceable soft leatherette earpad
• Quick disconnecting (QD) connector, protecting the headset and Phone/PC
• Plug 'n' Play
• Volume & Mute control
• Optimized for Microsoft Lync, skype, office 365, United Communication (Cisco & Avaya)

SPECIFICATIONS:

• Microphone: Permanently polarized condenser microphone
• Impedance: 1.0KΩ
• Work Frequency :70 ~ 10k Hz
• Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB)(RL = 2.2K Vs = 3.0V)
• Current consumption@ 2.2V (μA): < 300
• Current consumption: 800μA
• Receiver:
• Impedance: 300Ω ± 10Ω
• Output sound pressure: 105dB ± 5dB
• Work Frequency: 20~ 20k Hz
• Max Input Power: 20mw
• Interface: USB

WHAT'S IN THE BOX:

• Calltel H650NC Mono-Ear Noise-Cancelling Headset - Black x1
• UC2000T Quick Disconnect USB Sound Card Adapter Cable x1