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Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium

Product image: Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium-null
Product image: Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium-null
Product image: Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium-null
Product image: Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium-null
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Jabra engage 55 ms mono USB-a wireless dect headset microsoft teams certified 150m range noise-cancelling mic busylight black titanium

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From Singular Computers Systems LTD
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Description

Item No. d7171c20-c54a-4bc4-b607-c8e2a98e8aab
Singular Selected Jabra Engage 55 MS Mono USB-A — Wireless DECT Headset Microsoft Teams-certified single-ear DECT headset with up to 150 m roaming range and 13 hours of talk time — plug the pre-paired Jabra Link 400 USB-A adapter into your PC and start taking secure, crystal-clear calls. 150 m DECT RangeMS Teams Certified256-bit AES Encrypted13 h Talk Time The Jabra Engage 55 MS Mono USB-A (part 9553-450-111) is a wireless DECT headset built for office and contact center professionals who need

Details

Singular Selected

Jabra Engage 55 MS Mono USB-A — Wireless DECT Headset

Microsoft Teams-certified single-ear DECT headset with up to 150 m roaming range and 13 hours of talk time — plug the pre-paired Jabra Link 400 USB-A adapter into your PC and start taking secure, crystal-clear calls.
150 m DECT RangeMS Teams Certified256-bit AES Encrypted13 h Talk Time

The Jabra Engage 55 MS Mono USB-A (part 9553-450-111) is a wireless DECT headset built for office and contact center professionals who need true roaming freedom without the typical limitations of Bluetooth. Connect the pre-paired Jabra Link 400 USB-A adapter to your laptop or desktop and you can walk up to 150 metres (line of sight) while keeping your call. The Mono / single-ear design lets you stay aware of in-room sounds and colleagues, the integrated busylight signals your availability, and DECT Security Step C combined with FIPS 256-bit AES encryption protects sensitive conversations. This is the Microsoft Teams-certified ("MS") variant of the Engage 55, with native Teams call controls on the headset.

Connection Note: The included Jabra Link 400 adapter is the USB-A version. If your laptop or dock only exposes USB-C ports, you will need a USB-C-to-USB-A adapter, or the USB-C SKU of the Engage 55 MS Mono (9553-470-111) is a cleaner choice.
Best For
✓ Microsoft Teams-first workplaces
✓ Open-plan office knowledge workers
✓ Hybrid agents who need roam range
✓ Security-sensitive industries
✓ USB-A-equipped laptops and docks
✓ Users who want busylight presence

Key Features

 
150 m DECT Wireless Range
True roaming around the office or warehouse — the DECT link reaches significantly further than typical Bluetooth (10–30 m) while staying stable through walls and interference.
 
Microsoft Teams Certified
MS variant is certified for Microsoft Teams with native Teams call-control integration directly on the headset, while remaining compatible with Zoom, Webex, Google Meet and other UC apps.
 
Military-Grade Security
DECT Security Step C plus FIPS 256-bit AES encryption — designed for financial services, healthcare and government desks where call confidentiality matters.
 
Busylight + Noise-Cancelling Mic
Integrated busylight reduces interruptions in open-plan spaces, while the noise-cancelling boom microphone keeps the agent's voice clean even in noisy environments.

Technical Specifications

Part Number 9553-450-111
EAN 5706991025200
Product Type Wireless DECT Headset
Wearing Style Headband, Mono (single-ear)
Ear Cushion Style On-ear (supra-aural)
Wireless Technology DECT (Jabra Link 400 USB-A adapter, pre-paired)
Wireless Range Up to 150 m (line of sight)
Platform Variant MS (Microsoft Teams certified)
Audio Bandwidth Wideband HD Voice. Speech 150 Hz – 6.8 kHz, music response up to 16 kHz
Microphone Noise-cancelling boom microphone, ECM uni-directional
Security DECT Security Step C + FIPS 256-bit AES encryption
Hearing Protection PeakStop, SafeTone 2.0, IntelliTone 2.0, Speech Level Normalisation
Busylight Integrated on-headset busylight
Battery Talk Time Up to 13 hours
Controls On-ear answer/end, mute, volume; Teams button on adapter
Weight Approx. 57 g
Colour Black / Titanium
Region EMEA / APAC
In the Box Headset, Jabra Link 400 USB-A DECT adapter, USB cable, travel pouch
Warranty 2 years (subject to regional terms)

Frequently Asked Questions

How is DECT different from Bluetooth on a typical headset?
DECT provides much greater range (up to 150 m line of sight here, vs. about 10–30 m for typical Bluetooth) and a more stable, interference-resistant link that uses a dedicated radio band. The trade-off is that the headset only roams from one DECT adapter, so it is anchored to one PC at a time.
Will it work with Zoom, Webex or Google Meet too?
Yes. The MS certification means tight Teams integration, but the Jabra Link 400 adapter presents the headset as a standard USB audio device on Windows and macOS, so all major UC platforms can use it.
Does it work with USB-C laptops?
Not directly — the included Link 400 adapter is USB-A. You can use a passive USB-A-to-USB-C adapter, but for a cleaner setup choose the USB-C SKU 9553-470-111.
What's in the box?
Headset, the pre-paired Jabra Link 400 USB-A DECT adapter, USB charging cable and a soft travel case. No headset charging stand is included — the desk stand 14217-06 (Convertible USB-C) or other matching Engage SE stands are sold separately.
Singular Expert Insight
Choose the Engage 55 MS Mono USB-A if your organization is Microsoft Teams-standardized, your laptops still have USB-A ports, and you need long-range wireless freedom with strong call privacy. The Mono variant is the right pick when agents need to stay aware of in-room sounds, walk-up customers or colleagues. If you prefer to focus deeply in a noisy room, the Stereo (Duo) Engage 55 variant is better; if your PCs are USB-C-only, switch to the 9553-470-111 USB-C SKU.

Buyer's Guide

Buy it if
Your company runs Microsoft Teams, your laptops have USB-A, and you want a long-range DECT headset with busylight and military-grade encryption for sensitive calls.
Skip it if
Your PCs are USB-C-only (pick 9553-470-111), your users need to roam between multiple PCs (DECT pairs to one adapter), or they need both ears covered (pick the Duo variant).
Also consider
Jabra Engage 55 MS Mono USB-C (9553-470-111) for modern USB-C laptops, or the Engage 55 Stereo Duo variant if both-ear focus matters more than room awareness.