---
product_id: 562295903
title: "CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive"
brand: "poly"
price: "NT$11867"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/562295903-cs540-wireless-dect-headset-plantronics-single-ear-mono-convertible-3
store_origin: TW
region: Taiwan
---

# up to 7 hours talk time 300m wireless range noise-canceling mic CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive

**Brand:** poly
**Price:** NT$11867
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your calls with wireless clarity and all-day comfort—because your voice deserves the best.

## Quick Answers

- **What is this?** CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive by poly
- **How much does it cost?** NT$11867 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/562295903-cs540-wireless-dect-headset-plantronics-single-ear-mono-convertible-3)

## Best For

- poly enthusiasts

## Why This Product

- Trusted poly brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Acoustic Safety First:** SoundGuard technology protects your ears by capping audio spikes below 118dBA—comfort meets safety.
- • **All-Day Power Performance:** Up to 7 hours of crisp, uninterrupted calls powered by an adaptive power system that smartly conserves battery.
- • **Unmatched Wireless Freedom:** Enjoy up to 300 meters of interference-free DECT range—stay connected without limits.
- • **Crystal Clear Conversations:** Switch between narrowband and wideband audio modes for tailored sound clarity or extended battery life.
- • **Seamless Desk Phone Integration:** Effortlessly connect to your desk phone with a versatile mono headset designed for professional multitasking.

## Overview

The Plantronics Poly CS540 Wireless DECT Headset offers professional-grade audio with up to 300 meters of wireless range and 7 hours of talk time. Featuring adaptive power management, noise-canceling microphone, and SoundGuard acoustic protection, it ensures clear, safe, and uninterrupted communication. Its versatile mono design supports three wearing styles and seamless desk phone connectivity, making it an Amazon exclusive TCO Certified headset built for the modern professional.

## Description

CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive

## Features

- EXTENDED RANGE AND TALK TIME: The adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base.
- SOUNDGUARD TECHNOLOGY: SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below 118dBA ensuring listening comfort and protection against audio spikes.
- SUPERIOR AUDIO QUALITY: Your choice of narrow or wideband professional grade audio quality -- choose narrowband to extend talk time or wideband mode to enable clearer conversations.
- MAXIMUM PROTECTION: The CS540 headset includes DECTTM technology that provides better audio quality and eliminates interference from Wi-Fi networks while calls stay safe and secure.

## Product Details

- **Brand:** POLY
- **Color:** Black
- **Ear Placement:** Over Ear
- **Form Factor:** Over Ear
- **Noise Control:** Active Noise Cancellation

## Images

![CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive - Image 1](https://m.media-amazon.com/images/I/614nnUw7YPL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Poly CS540 Wireless DECT Headset (Plantronics) – Single Ear (Mono) Convertible (3 wearing styles) – Connects to Desk Phone – Noise Canceling Microphone – Amazon Exclusive
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**Shop now:** [https://www.desertcart.tw/products/562295903-cs540-wireless-dect-headset-plantronics-single-ear-mono-convertible-3](https://www.desertcart.tw/products/562295903-cs540-wireless-dect-headset-plantronics-single-ear-mono-convertible-3)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-05-17*