Skip to main contentSkip to footer

Explore more like this

Overview

The HP Poly CS540A over-ear truly wireless headset combines professional-grade performance with freedom to move, letting you handle calls from up to 119.9 metres away. Noise-cancelling technology keeps your conversations clear and focused even in busy environments. Choose from three comfortable wearing styles to suit your workflow.
  • Over-ear convertible headset designed for office phone communication
  • Active noise cancelling microphone reduces background interruptions
This description was generated by AI and reviewed for accuracy.
Open Box

Open Box - HP Poly CS540A Over-Ear Noise Cancelling Truly Wireless Headset - Black (7W073AA#ABA)

Model: 7W073AAABA
Web Code: 19169234
Sold and shipped by | 4.1 seller rating (11,105 reviews)

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

Read return policy

Warranty

Check with the manufacturer for details.

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

What's included:

  • CS540A DECT 1920-1930 MHz Headset TAA
  • Office Base
  • Headband
  • AC Power Adapter
  • Telephone Interface Cable (TIC)
  • Kit with Eartips and Earloops
What you need to know
  • Over-ear convertible headset built for professional, office phone communication
  • Active noise cancelling mic reduces distracting background sounds for clear calls
  • Convertible design offers three comfortable wearing options for long sessions
  • Built-in mic and conferencing features support flexible team collaboration
Audio Performance & Sound Quality
  • Noise-cancelling microphone reduces background noise for better audio quality
  • Narrowband audio mode extends talk time when needed
  • Advanced wideband audio delivers high-definition voice clarity
  • Enhanced Digital Signal Processing (DSP) ensures natural, clear sound
  • SoundGuard acoustic limiting keeps sound below 118dBA to protect against spikes (protects listening comfort and helps prevent audio shocks)
Fit, Comfort & Design
  • Convertible design lets you switch between over-the-ear, over-the-head, and behind-the-head styles
Battery Life & Range
  • Up to 119.9 metres wireless range from the base for maximum desk-free mobility
  • Adaptive power system optimizes talk time and range by reducing power when near the base
Calls & Microphones
  • Conference up to four headsets on a single base for easier team communication
  • Built-in mic for seamless desktop phone use
Connectivity & Smart Features
  • Desk phone audio controls simplify daily call management
  • Optional HL10 Handset Lifter or Electronic Hook Switch Cable (EHC) allows remote call capabilities (accessories sold separately)
Included accessories
  • Includes headset, office base, headband, AC power adapter, telephone interface cable, eartips and earloops kit
This description was generated by AI and reviewed for accuracy.

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 on all orders over $14 (before taxes, fees, and promo codes).

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.
See our return policy to find specific return information for this product and steps on how to return by mail.