Sennheiser Accentum SE Wireless Headphones with BTD 600 Dongle

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Product guide

Sennheiser Accentum SE Wireless Headphones with BTD 600 Dongle

Sennheiser Accentum SE wireless headphones are listed with the BTD 600 Bluetooth dongle for computer connections. Hybrid noise cancellation, transparency mode, touch controls and a listed 50-hour battery life suit extended listening, while the dongle is aimed at USB-connected PC and Mac use.

At a glance

Hybrid ANC and transparency mode offer two distinct listening approaches, for reducing noise or staying more aware of surroundings.
The listing describes a five-band EQ and customizable sound modes.
BTD 600 is described as a USB-A/USB-C dongle for PC and Mac, with headphone media and call controls retained.

Price

$129.95Save 28%

Reference price: ~~$179.95~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The listed 50-hour battery life is suited to long stretches between charges.
Transparency mode provides an alternative to noise cancellation when awareness of the surroundings matters.
The dongle bundle is specifically described for using the headphones with a desktop or laptop computer.

Cons

The listing says the headphones are not water resistant, limiting their suitability where water exposure is expected.
There is no headphone jack listed, so a wired headphone connection is not specified.

Technical specifications

22 specifications

Identity
Brand	Sennheiser
Model	Accentum SE
Colour	Black
Form factor	Over Ear
Driver type	Dynamic Driver
Impedance	106 ohm

Audio and connectivity
Wireless connection	Bluetooth
Bluetooth version	5.2
Noise control	Hybrid Noise Cancellation
Noise control features	hybrid_noise_cancellation, transparency_mode
Controls	Touch
Control functions	Media Control, Call Control
Headphone jack	No Jack
Compatible devices	Laptops, Desktops, Smartphones, Tablets

Power and battery
Battery life listed	50 hours
Battery charge time	3 hours

Dimensions and installation
Dimensions listed	22 x 21.31 x 6.3 cm; 350 g
Weight listed	350 g

Materials and protection
Water resistance listed	Not Water Resistant

Bundle and origin
Country of origin	China
Package type	Bundled with Accessories
Number of items	2

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the title names an ACCENTUM Wireless and BTD 600 bundle, while details identify the model as Accentum SE and give Adapter, Dongle as built-in media. Battery details list 50 hours, and manufacturer copy separately claims up to 50 hours with ANC on. Confirm the exact headphone variant and bundle contents in the selected listing.

Who is it for?

A good fit for

Listeners seeking over-ear wireless headphones with hybrid ANC and a transparency mode.
People who want a listed long battery life for extended listening.
PC or Mac users who want a USB Bluetooth dongle in the bundle for computer audio.

Less suited to

Buyers who need water-resistant headphones.
Anyone who requires a headphone jack or a specified wired listening option.

Sennheiser Accentum SE Wireless Headphones with BTD 600 Dongle · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 320 ratings

5 stars62%62%
4 stars11%11%
3 stars9%9%
2 stars8%8%
1 star10%10%

Customer feedback highlights noise cancellation and battery life as positives, which may matter to listeners considering the listed hybrid ANC and 50-hour battery claim. Durability is a reported concern, while sound quality, overall quality, value, functionality and fit draw mixed opinions. The overall rating distribution is mostly positive but includes a meaningful spread of lower ratings, so it does not settle those individual trade-offs.

Positive themes

Customers appreciate the noise cancellation.
Customers appreciate the battery life.

Negative themes

Customer feedback reports durability concerns.

Mixed feedback

Opinions are mixed on sound quality, overall quality, value for money, functionality and fit.

Frequently asked questions

Is the BTD 600 dongle included?

The title and manufacturer copy describe a BTD 600 dongle in the bundle, while the built-in media detail lists Adapter, Dongle. Confirm the selected listing’s exact contents.

Can these headphones connect to a computer?

The listing describes the BTD 600 as a USB-A/USB-C dongle for PC and Mac. It also lists Bluetooth-compatible laptops and desktops.

What battery life is listed?

The technical details list 50 hours. Manufacturer copy also claims up to 50 hours with ANC on, so treat that as a claim rather than an independently verified runtime.

Are they water resistant?

The listing specifies Not Water Resistant.