HP Poly Poly CS540A Headset with handset lifter

Overview

Hands-free productivity
The CS540 convertible DECT™ headset provides professional performance so you can get more done — even on the move. The noise-canceling mic reduces background noise interruptions, ensuring great audio quality and easing listener fatigue.

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Hardware Compatibility

Hardware Quest Open-DB

Physical clearance, socket pinout, and chipset validation are continuously indexed from verified hardware specifications. Complete dimensions and socket pairing rules will display here once verified.

Technical Specifications

Showing 13 key specifications of 13

All values come from this product’s catalog record.

Weight

21 g

Talk time

7

Ear coupling

Supraaural

Headset type

Monaural

Product type

Headset

Wearing style

Ear-hook,Handheld

Colour

Black

Wireless range

120

Microphone type

Boom microphone

DECT connectable

Yes

Recommended use

Office/Call center

Connectivity

Wired

Country of origin

Mexico

Not ranked yet

Awaiting Benchmark Run

No joined ranking record is available for this product. Products enter category rankings automatically once verified benchmark and price records are indexed.

Market Value History

Latest Spot: $124.31

Keepa US

30D 90D 1Y All

Sparkline

30D Average

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90D Average

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1Y Low / High

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Historical Delta

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Raw Price History Records316 data points

Date	Price
2026-07-20	$124.31
2026-07-09	$149.99
2026-06-02	$118.98
2026-05-27	$126.43
2026-05-19	$129.00
2026-05-15	$129.00
2026-05-04	$129.00
2026-04-27	$129.00
2026-04-20	$129.00
2026-04-13	$129.00
2026-04-07	$129.00
2026-03-31	$111.40
2026-03-25	$129.00
2026-03-18	$103.71
2026-03-10	$108.50
2026-03-03	$104.67
2026-02-25	$77.59
2026-02-20	$77.59
2026-02-12	$77.11
2026-02-06	$77.59
2026-01-28	$99.59
2026-01-05	$69.99
2025-12-31	$99.59
2025-12-27	$74.99
2025-12-19	$79.99
2025-12-08	$89.99
2025-11-19	$99.59
2025-11-10	$119.99
2025-11-03	$129.00
2025-10-27	$129.00
2025-10-20	$132.29
2025-10-13	$129.00
2025-10-06	$129.00
2025-09-29	$129.00
2025-09-22	$129.00
2025-09-15	$129.00
2025-09-08	$129.00
2025-09-03	$132.95
2025-08-25	$129.00
2025-08-22	$129.00
2025-08-11	$129.00
2025-08-04	$129.00
2025-07-30	$129.00
2025-07-21	$129.00
2024-12-31	$120.41
2024-12-17	$126.02
2024-11-11	$129.00
2024-11-04	$129.00
2024-10-28	$129.00
2024-10-21	$129.00
2024-10-14	$129.00
2024-10-07	$129.00
2024-10-04	$129.02
2024-09-10	$139.59
2024-09-07	$139.73
2024-07-29	$139.99
2024-07-22	$145.00
2024-07-15	$145.00
2024-07-08	$145.00
2024-07-02	$145.00
2024-06-24	$145.00
2024-06-17	$145.00
2024-06-10	$145.00
2024-06-03	$145.00
2024-05-27	$145.00
2024-05-20	$145.00
2024-05-13	$145.00
2024-03-15	$145.00
2024-02-01	$158.99
2023-10-24	$139.99
2023-10-09	$158.99
2023-10-06	$157.99
2023-09-19	$159.99
2023-09-05	$163.99
2023-07-24	$130.00
2023-07-19	$103.95
2023-07-08	$130.00
2023-05-24	$135.00
2023-05-18	$140.00
2023-03-27	$164.77
2023-03-20	$187.99
2023-03-13	$187.99
2023-03-06	$187.99
2023-02-27	$188.99
2023-02-23	$188.99
2023-02-14	$191.99
2023-02-08	$195.99
2023-01-31	$198.49
2023-01-23	$198.49
2023-01-17	$198.99
2023-01-10	$205.99
2023-01-02	$204.49
2022-12-26	$203.99
2022-12-19	$233.99
2022-12-16	$234.49
2022-12-05	$199.95
2022-11-28	$205.49
2022-11-21	$190.99
2022-11-14	$193.49
2022-11-07	$186.99
2022-11-02	$199.49
2022-10-25	$193.99
2022-10-18	$193.99
2022-10-12	$191.99
2022-10-04	$193.99
2022-09-26	$194.99
2022-09-19	$199.95
2022-09-12	$200.99
2022-09-05	$198.49
2022-08-29	$200.00
2022-08-22	$199.49
2022-08-15	$203.99
2022-08-09	$204.99
2022-08-01	$205.49
2022-07-26	$202.49
2022-07-18	$203.99
2022-07-11	$201.49
2022-07-04	$239.99
2022-06-28	$276.92
2022-06-18	$299.99
2022-05-28	$199.00
2022-05-10	$299.99
2022-05-06	$186.99
2022-04-25	$299.99
2022-04-11	$295.00
2022-04-07	$295.00
2022-03-30	$295.00
2022-03-22	$250.00
2022-03-10	$186.99
2022-02-28	$265.00
2022-02-21	$158.88
2022-02-15	$261.00
2022-02-07	$199.95
2021-12-13	$159.88
2021-12-06	$151.90
2021-11-02	$153.79
2021-10-29	$151.01
2021-10-19	$151.65
2021-10-06	$150.00
2021-09-24	$125.95
2021-09-13	$86.49
2021-09-06	$91.79
2021-08-30	$67.59
2021-08-25	$66.55
2021-08-20	$125.95
2021-08-02	$134.99
2021-07-22	$139.00
2021-07-05	$154.95
2021-06-21	$159.00
2021-06-08	$169.00
2021-05-17	$174.99
2021-04-15	$179.00
2021-04-07	$189.00
2021-03-23	$194.03
2021-03-16	$195.15
2021-03-09	$194.19
2021-03-02	$195.31
2021-02-26	$198.25
2021-02-04	$199.76
2021-01-29	$199.94
2021-01-05	$199.95
2021-01-03	$155.00
2020-12-14	$235.94
2020-12-09	$231.94
2020-12-01	$155.00
2020-11-10	$235.94
2020-11-03	$230.50
2020-09-29	$169.00
2020-09-24	$174.00
2020-09-15	$125.00
2020-09-12	$129.99
2020-08-26	$130.99
2020-08-22	$139.99
2020-08-12	$130.99
2020-08-05	$139.99
2020-07-30	$142.99
2019-11-18	$146.99
2019-11-12	$154.99
2019-10-23	$193.00
2019-09-28	$182.90
2019-09-18	$151.00
2019-09-10	$199.99
2019-08-27	$164.00
2019-08-25	$151.00
2019-08-01	$164.00
2019-07-24	$273.60
2019-07-15	$224.69
2019-07-11	$273.60
2019-06-17	$285.06
2019-06-14	$261.82
2019-06-03	$249.03
2019-05-27	$272.78
2019-05-22	$282.67
2019-05-14	$275.53
2019-05-12	$276.94
2019-05-02	$285.06
2019-04-17	$297.87
2019-04-08	$279.85
2019-03-26	$230.00
2019-03-12	$242.00
2019-02-15	$227.00
2019-02-04	$225.00
2019-01-28	$334.00
2018-12-25	$210.00
2018-12-14	$226.00
2018-11-20	$210.00
2018-11-01	$199.00
2018-10-12	$203.00
2018-09-25	$136.86
2018-09-17	$205.00
2018-09-05	$238.00
2018-08-30	$230.00
2018-08-22	$229.00
2018-08-16	$212.00
2018-08-08	$216.00
2018-07-20	$309.83
2018-07-13	$313.84
2018-06-20	$249.00
2018-06-04	$204.00
2018-05-21	$204.00
2018-05-09	$206.00
2018-05-02	$209.00
2018-04-27	$210.00
2018-04-07	$213.00
2018-03-27	$220.00
2018-03-10	$479.96
2018-02-22	$479.62
2018-02-17	$209.00
2018-02-08	$217.00
2018-02-02	$479.62
2018-01-27	$249.00
2018-01-17	$240.00
2018-01-08	$215.00
2018-01-05	$215.00
2017-12-18	$218.00
2017-12-13	$217.00
2017-12-04	$221.00
2017-11-27	$217.00
2017-11-10	$215.00
2017-11-02	$212.00
2017-10-25	$215.00
2017-10-10	$479.31
2017-10-03	$215.00
2017-09-26	$471.25
2017-09-20	$220.00
2017-09-12	$217.00
2017-09-06	$212.00
2017-08-29	$211.00
2017-08-23	$471.25
2017-08-15	$211.00
2017-08-08	$217.00
2017-07-31	$216.00
2017-07-25	$214.00
2017-07-21	$213.00
2017-07-10	$209.00
2017-07-05	$213.00
2017-06-29	$214.00
2017-06-22	$209.00
2017-06-12	$208.00
2017-06-10	$209.00
2017-05-29	$211.00
2017-05-22	$214.00
2017-05-15	$213.00
2017-05-09	$215.00
2017-05-03	$271.32
2017-04-24	$309.36
2017-04-17	$271.91
2017-04-10	$299.41
2017-04-03	$282.59
2017-03-29	$289.49
2017-03-22	$339.17
2017-03-02	$295.29
2017-02-21	$326.75
2017-02-18	$326.84
2017-02-07	$320.08
2017-01-31	$277.90
2017-01-24	$235.94
2016-12-25	$241.99
2016-12-05	$230.49
2016-11-30	$241.99
2016-11-24	$219.70
2016-11-07	$230.49
2016-11-02	$241.99
2016-10-24	$232.35
2016-10-19	$230.49
2016-10-10	$235.43
2016-10-06	$235.44
2016-09-27	$241.99
2016-09-19	$235.43
2016-09-14	$228.76
2016-09-06	$241.98
2016-08-29	$235.44
2016-08-23	$235.43
2016-08-20	$226.49
2016-08-14	$241.98
2016-08-02	$241.99
2016-07-30	$230.70
2016-07-19	$241.99
2016-07-14	$228.67
2016-07-04	$236.49
2016-07-01	$241.99
2016-06-21	$241.99
2016-06-13	$258.83
2016-06-10	$258.80
2016-05-26	$218.48
2016-05-12	$224.94
2016-05-02	$224.94
2016-04-26	$321.48
2016-04-24	$506.94
2015-11-13	$224.94
2015-11-06	$262.98
2015-10-13	$295.20
2015-10-05	$290.20
2015-09-30	$263.37
2015-09-14	$268.37
2015-06-07	$224.94

Customer Reviews & Feedback

Verified Amazon Score

4.1 / 5.0

Based on 155 verified customer reviews on Amazon US.

5 star

69%

4 star

20%

3 star

6%

2 star

3%

1 star

2%

Review Verification

Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.

Verified Retailers & Price Comparison

Verified Amazon US pricing, transparent seller identity, and real-time fulfillment telemetry via Keepa.

1 Stores Tracked

Amazon US Lowest Price

In Stock · Amazon.com (Direct)

$124.31 Free Prime Delivery

View on Amazon

Affiliate Disclosure: Hardware Quest earns a small commission on qualifying purchases at zero extra cost to you. Prices updated automatically

Sources

Icecat product datasheet Icecat