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Overview

A lightweight, professional‑grade wireless DECT headset designed for desk‑phone users who need clear wideband audio, reliable hands‑free mobility, and all‑day comfort in a convertible wearing style.
Open Box

Open Box - Plantronics CS540 Convertible Wireless Headset

Model: 84693-02
Web Code: 19902258
Sold and shipped by | 4.3 seller rating (452 reviews)

Sale ends: *

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Professional Wideband Audio Quality

Engineered to deliver crisp, natural‑sounding voice clarity for office calls and customer support environments. The headset includes wideband audio technology for improved call quality .

Interference‑Free DECT Wireless Performance

Built with technology that eliminates Wi‑Fi interference, ensuring stable, uninterrupted communication in busy office environments .

Convertible Wearing Style

Designed for flexibility and comfort with multiple wearing options (over‑ear, on‑ear, or headband). Ideal for long shifts and varied user preferences.

Desk‑Phone Compatible

Works with traditional office desk phones. User reviews confirm it is not Bluetooth‑based and requires a desk phone connection for operation .

Hands‑Free Mobility for Productivity

Allows users to move freely around the workspace without being tethered to the phone — a key benefit highlighted by reviewers who rely on mobility during workdays .

Lightweight Design for All‑Day Use

At just 498.95 g, the headset is designed for comfort during extended use sessions .

Reliable Brand with High Customer Retention

Plantronics is a top‑rated brand with strong customer satisfaction and low return rates, making it a trusted choice for office communication gear .

Includes Battery and Accessories

Ships with required battery included for immediate setup and use .

Compact and Practical Dimensions

Product size: 16.26 × 18.8 × 16.26 cm — easy to place on any desk without taking up unnecessary space .

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Home phones and office communication products
Return/Exchange Period
30 days
Condition
Opened