Plantronics Savi 8240 Office-Wireless DECT Mono Headset (Convertible Wearing Style)

Quick take

The Plantronics Savi 8240 is a single-ear, office wireless headset that works with PC and Mac through a DECT adapter, and with smartphones via Bluetooth. It is built for call-heavy days, with an up to 7-hour talk time and a noise-canceling microphone intended to reduce background noise. The main buying caveats are that some buyers report missing accessories like a power adapter (and limited evidence around support for defective units), so it is worth confirming what is included before you rely on it.

Pros and cons

Pros

  • DECT wireless for PC and Mac with up to 590 ft (line of sight) roaming range, plus smartphone Bluetooth.
  • Noise-canceling microphone design to help keep your voice clearer in busy environments.
  • Convertible wearing style options for one-ear comfort and headset fit flexibility.
  • Designed for office calling, including Microsoft Teams certification and compatibility with common collaboration/voice platforms.

Cons

  • Some buyers report the box did not include a power adapter, so you may need to supply one.
  • Review evidence is mixed, with a couple of mentions of defective units and difficulties getting timely support.
  • Battery life is rated around 7 hours, so it may not cover very long shifts without a plan to swap/charge.

What buyers think

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Buyer-review evidence for the Plantronics Savi 8240 is limited, but the available comments cluster around setup, day-to-day usability, and a few practical “what’s in the box” concerns. Several buyers describe the headset as easy to set up and able to integrate well with both computer and phone use. A recurring practical theme is that call audio can vary by application, and some buyers report battery drain that can feel faster than expected. On the downside, review evidence includes isolated but notable issues such as missing accessories (notably a power adapter), and at least one report of a defective control component paired with limited responsiveness from customer support. Because the review sample is small, it is safest to treat support and unit-quality issues as possibilities rather than certainties.

What this headset is for

The Savi 8240 targets people who need reliable hands-free calling across work devices. It is a mono, in-ear headset designed for a desk-first workflow with wireless freedom, using DECT for computer/office connectivity and Bluetooth for smartphones. Microsoft Teams certification also makes it a straightforward option for organizations standardizing on Teams.

Connectivity and compatibility: DECT plus Bluetooth

For office use, the headset connects wirelessly to a PC or Mac using an included DECT adapter. For mobile flexibility, it can also connect to smartphones using Bluetooth. This “two-network” approach can reduce friction if you routinely switch between a computer softphone, a Teams call, and a personal mobile call.

It is also positioned for desk phone usage, making it a candidate for contact-center and office environments where voice calls come from more than one source. If you rely on one specific platform, double-check your setup needs so the headset’s connection path matches how your calls enter your workspace.

Audio and mic performance

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The headset uses a noise-canceling microphone design intended to help keep background noise down during calls, with close conversation limiting to support voice clarity. In practice, some users mention that sound level can feel low in certain programs. That can be caused by software-specific volume settings or audio routing, but it is worth planning to adjust the headset’s level within each application you use.

Because this is a mono headset, you are giving up stereo listening, which is typical for call-center headsets. The tradeoff is faster situational awareness (you can still hear your environment more than with a dual-ear design).

Battery life and range for the workday

For time between charges, the headset is rated for up to 7 hours of talk time per charge. If your shift runs longer than that, consider whether your workplace supports swapping batteries or charging during breaks.

On coverage, the DECT roaming range is rated up to 590 feet (180 meters) line of sight. That is a meaningful advantage if you move around your office or frequently step away from your desk while staying on active calls.

Comfort and wearing style

A key usability feature is the ability to convert between three wearing styles. For mono headsets, fit matters, because the single ear placement needs to stay comfortable during long calls. If you have a history of headsets feeling loose or fatiguing after a few hours, the convertible wearing styles can help you find a configuration that sits securely.

Pros and cons, in plain terms

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Pros that stand out for the right buyer

  • Good fit for multi-device call work: DECT for desk/computer, Bluetooth for smartphones.
  • Office-grade microphone design: noise-canceling intent for background environments.
  • Workday practicalities: up to 7 hours talk time and DECT range up to 590 ft (line of sight).
  • Teams-ready: certified for Microsoft Teams use cases.

Where buyers should pause

  • Confirm included accessories: some buyers report no power adapter in the box, so verify your setup needs.
  • Plan for audio settings differences: sound level may vary by program, so expect to tune volume and audio routing.
  • Small but real support/unit-quality concerns: limited review evidence includes a defective component report plus difficulty getting support, so inspect the unit promptly after purchase.

Who should buy the Plantronics Savi 8240

  • You take lots of calls and want hands-free mobility around the office, not just at your desk.
  • You use Microsoft Teams and also need a headset that can work with your computer and smartphone.
  • You prefer a mono, in-ear headset and value comfort flexibility via convertible wearing styles.
  • You are choosing a business headset where battery life around 7 hours fits your typical shift.

Who should skip it

  • You need a long listening experience for media (this is a mono call-focused design).
  • You require guaranteed inclusion of a specific accessory like a power adapter, without having spares available.
  • You want abundant, consistent review evidence around support outcomes, because the sample size is small and includes mixed experiences.

Alternatives to consider (by use case)

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If you are deciding between headset models, the best alternative usually depends on which connection matters most to you. Here are a few selection angles instead of naming specific models:

  • If you only need Bluetooth smartphone calling, you may prefer a simpler Bluetooth-only headset to reduce setup complexity.
  • If your setup relies heavily on a desk phone, look for models that emphasize desk phone compatibility and confirm the required adapters.
  • If you want longer battery coverage, consider headsets designed for extended talk time or systems that support easier battery swapping.

Price and availability

The headset is positioned as a business office option, with a listed price of $289 USD. Availability has been described as limited, with low remaining stock. If you rely on it for scheduled calls, factor that into your timeline.

Verdict

The Plantronics Savi 8240 is a strong office-focused choice if you want one headset that can handle computer calls (via DECT), plus smartphone calls (via Bluetooth), and you are using Microsoft Teams. It also has practical day-to-day specs like up to 7 hours talk time and long DECT roaming range. Just make sure your purchase includes the accessories you need (especially power), and be prepared to adjust call audio settings per application.

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FAQ

Is the Plantronics Savi 8240 compatible with Microsoft Teams?Yes. It is certified for Microsoft Teams, and it is also positioned for use with other leading collaboration and voice platforms.

Does it connect to both a computer and a smartphone?Yes. It uses a DECT adapter for PC and Mac connections, and Bluetooth for smartphone connections.

How long does the battery last?Battery life is rated up to about 7 hours of talk time per charge.

What is the wireless range?The DECT roaming range is rated up to 590 feet (180 meters) with line of sight.

Is the headset comfortable for long calls?It is designed as a mono in-ear headset with three convertible wearing styles, which can help you dial in a comfortable fit for longer sessions.

What should I check before using it?Check what accessories are included in your specific box, since some buyers report a missing power adapter. Also plan to set headset audio levels in each communication application for consistent volume.

Specifications

Product TitlePlantronics - Savi 8240 Office-Wireless DECT Single In-Ear(Mono) Headset-Convertible (3 wearing styles)-Noise Cancelling Mic-Connects to Deskphone/ PC Mac-Works with Teams (Certified), Zoom & more
CategoryElectronics > Accessories & Supplies > Telephone Accessories > Headsets
BrandPlantronics
ManufacturerPoly
Model NameSavi
Model NumberS8240-M
ColorBlack
Item Weight8 ounces
Brand NamePlantronics
Built-In MediaHeadset
Age Range DescriptionAdult
Customer Package TypeBox
Number of Items1
Series Number8240
UPC017229166516
Item Type NameHeadset
Is AutographedNo
Headphones Ear PlacementIn Ear
Headphone Folding FeaturesIn Ear
Earpiece Shapeear hooks
Style NameContemporary or Modern
Carrying Case ColorBlack
ThemeCommunication
Battery Charge Time7 Hours
Battery Average Life7 Hours
Impedance140 Ohms
Noise ControlActive Noise Cancellation

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