MKJ Cisco Telephone Headset with Microphone Noise Cancelling - Dual

In this review the MKJ Cisco Telephone Headset is evaluated for busy call center and office users who need a reliable wired headset that favors clear speech and long shifts. The bottom line: this RJ9 headset is best for teams using Cisco IP phones that accept an RJ9 jack and want noise-canceling microphone clarity plus a durable, comfortable fit for extended wear. It is not intended for computers, cell phones, or SPA series phones, so compatibility is the single deciding factor before buying.

Key Features

• Crystal clear sound: The wideband speaker with a 50Hz-10kHz frequency range delivers richer, more natural voice reproduction so callers hear words with better clarity.
• Noise-canceling microphone: The microphone reduces most background noise, improving speech intelligibility during busy office or call center conditions.
• All-day comfort: An adjustable headband, soft ear cushions, and a 330 degree rotatable boom allow comfortable, customizable wear through long shifts.
• Durable construction: Reinforced cord and high-quality PU materials withstand demanding environments and common hazards like office chair wheels.
• Plug-and-play RJ9 connection: Designed specifically for Cisco IP phones with an RJ9 headset jack for simple installation and reliable connectivity.
• Tested reliability: The headset is subjected to drop, plug and play, and temperature tests to ensure long-term performance in busy settings.

Who It's For

The MKJ Cisco headset is aimed at call center agents, receptionists, telemarketers, and office staff who use compatible Cisco IP phones and need a comfortable, wired solution for heavy daily calling. Its emphasis on a noise-canceling microphone and wideband audio makes it a practical choice where clear two-way speech is essential.

Those who should look elsewhere include users who need Bluetooth, USB, or 3.5mm headset support, or people connecting to computers and mobile phones, because this model works only with Cisco phones that feature an RJ9 headset jack and explicitly excludes SPA series phones.

Pros & Cons

Pros

• Clear and natural voice reproduction from the wideband speaker enhances caller comprehension.
• Noise-canceling microphone improves call focus in noisy office environments.
• Comfortable fit with adjustable headband and soft ear cushions for long shifts.
• Robust build and reinforced cord withstand daily wear in demanding workplaces.

Cons

• Limited to Cisco IP phones with an RJ9 jack, so it is not versatile for computer or mobile use.
• No wireless option or inline controls, which some modern desks may prefer.

Specifications

Connection	RJ9 headset jack (corded)
Compatibility	Cisco IP phones with RJ9 jack (selected models listed)
Speaker frequency	50Hz - 10kHz wideband
Microphone	Noise-canceling boom, 330 degree rotation
Design	Dual ear, adjustable headband, soft ear cushions
Durability	Reinforced cord, high-quality PU materials, drop and temperature tested

Our Verdict

The MKJ Cisco Telephone Headset is a practical, good-value wired headset for organizations using compatible Cisco IP phones that need reliable voice clarity and durable construction. It stands out for its comfort during long shifts and effective background noise reduction, but buyers must confirm RJ9 compatibility with their phone model since it is not suitable for computers or mobile devices.

Frequently Asked Questions

Will this headset work with my computer?
No. This model uses an RJ9 connection and is designed only for Cisco IP phones with an RJ9 headset jack, not for computers or mobile phones.

Does the microphone reduce office background noise?
Yes. The headset uses a noise-canceling microphone to reduce most background noise and improve caller intelligibility.

Is this headset durable for heavy daily use?
Yes. It is built with reinforced cord and tested for drops and temperature extremes to withstand demanding call center environments.