Headset EPOS | SENNHEISER ADAPT 135T USB II

Name: Headset EPOS | SENNHEISER ADAPT 1000900
Brand: Sennheiser
SKU: 9818232
Price: 29.49 EUR
Availability: InStock

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Short description

The EPOS | SENNHEISER ADAPT 135T USB II is a wired headset designed for office and call center use. It features a frequency range of 20 - 20000 Hz, a cable length of 2.317 m, and weighs 107 g. The sleek black design complements any workspace, providing comfort and clarity during calls.

Available for order: 20 pcs.

Warranty: 2 Years

SKU: 9818232

Learn more

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

31.07.2026 {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

05.08.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 0.11 kg)

Parcel couriers

Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa

05.08.2026 {{selectedOffer.parcelStationDeliveryString}}

From 1.79 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

The EPOS | SENNHEISER ADAPT 135T USB II is a professional-grade wired headset engineered specifically for the modern office environment and call center operations. This single-sided headset combines a sleek, minimalist black design with high-quality audio performance, ensuring clarity during every conversation. With its lightweight construction and ergonomic headband, it is built to provide lasting comfort throughout long working hours, making it an essential tool for professionals who rely on consistent communication.

Advantages

This headset offers exceptional versatility through its dual connectivity options, featuring both a 3.5 mm jack and a USB connection. Being Microsoft Teams certified and optimized for Unified Communications, it ensures seamless integration with your existing software platforms. The supraaural design provides a balanced audio experience, while the robust cable length offers the freedom of movement necessary for a dynamic workspace. Its lightweight build reduces physical fatigue, allowing users to maintain focus during extended calls.

Suitable for

Professional office environments
Call center operations
Unified Communications and Microsoft Teams meetings
Hybrid workplace setups

When it may not be suitable

This headset may not be the ideal choice for users who require complete noise isolation, as the single-sided supraaural design allows ambient sound to remain audible. Additionally, those seeking wireless freedom for walking around the office may find the wired connection restrictive.

Key specifications

Wearing style: Head-band
Ear coupling: Supraaural
Connectivity: Wired (USB and 3.5 mm jack)
Cable length: 2.317 m
Frequency range: 20 - 20000 Hz
Weight: 107 g
Color: Black

How to use

To use the headset, simply connect the device to your computer or communication device via the USB port or the 3.5 mm jack. Once connected, the device is typically recognized automatically by most operating systems. Adjust the headband to ensure a secure and comfortable fit on your head. Position the microphone close to your mouth for optimal voice pickup during calls.

What to consider before purchase

Check if your primary device supports USB or 3.5 mm audio connections.
Consider whether a single-sided headset meets your needs for monitoring your surroundings.
Verify if your workspace layout accommodates the 2.317 m cable length.

Usage recommendations

For the best audio quality and microphone performance, ensure the headset is set as the default communication device in your computer's sound settings. Keep the cable free from sharp bends to maintain its longevity.

Specifications

Ear coupling:: Supraaural
Connectivity technology:: Wired
Cable length:: 2.317 m
Weight:: 0.107 kg
Product colour:: Black
Wearing style:: Head-band

All features

Headphones

Headphone frequency:: 20 - 20000
Magnet type:: Neodymium
Ear coupling:: Supraaural
Driver type:: Dynamic

Ports & interfaces

Connectivity technology:: Wired
USB connectivity:: Yes
USB connector:: USB Type-A
3.5 mm connector:: Yes
Cable colour:: Black

Performance

Cable length:: 2.317 m
Product colour:: Black
Total Harmonic Distortion (THD):: 55 %
Volume control:: Button
Headset type:: Monaural
Wearing style:: Head-band
Operating keys:: Multi-key, Mute, Volume +, Volume -
Recommended usage:: Office/Call center
Product type:: Headset
Control unit type:: In-line control unit

Other features

Quantity:: 1
Microphone mute:: Yes

Microphone

Microphone frequency:: 100 - 8000
Folding microphone:: Yes
Microphone noise-canceling:: Yes

Weight & dimensions

Weight:: 0.107 kg
Height:: 194 mm
Width:: 160 mm
Depth:: 58 mm

Operational conditions

Storage temperature (T-T):: -20 - 70
Operating temperature (T-T):: -20 - 70

Packaging data

Package weight:: 159 g
Package depth:: 160 mm
Package height:: 60 mm
Package width:: 180 mm

Packaging content

Quick start guide:: Yes

Logistics data

Master (outer) case height:: 407 mm
Master (outer) case width:: 460 mm
Master (outer) case length:: 543 mm
Products per master (outer) case:: 40 pc(s)
Harmonized System (HS) code:: 85183000

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Customer questions

FAQ

How much does the Headset EPOS | SENNHEISER ADAPT 135T USB II cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 31.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Sennheiser products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sennheiser service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: ear coupling, connectivity technology, cable length, weight, product colour, wearing style, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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Headset EPOS | SENNHEISER ADAPT 135T USB II

Short description

Product information

Description

Advantages

Suitable for

When it may not be suitable

Key specifications

How to use

What to consider before purchase

Usage recommendations

Specifications

Headphones

Ports & interfaces

Performance

Other features

Microphone

Weight & dimensions

Operational conditions

Packaging data

Packaging content

Logistics data

Description

Similar products

Product comparison

Customer reviews

Customer questions

How much does the Headset EPOS | SENNHEISER ADAPT 135T USB II cost, and is it available for purchase?

If I order this product today, when will I receive my order?

What payment options are available?

Can this product be purchased for a company (with VAT)?

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?