# Headset EPOS SENNHEISER ADAPT 135T USB II

**URL:** https://aio.lv/en/product--epos-1000900--4091266
**Data updated:** 2025-12-29 15:35 (EET)
**Category:** Headphones
**Manufacturer:** EPOS
**Manufacturer code:** 1000900
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 48.75 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--epos-1000900--4091266

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary 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, ensuring clear audio quality. With a cable length of 2.317 m and a lightweight design at 107 g, it offers comfort for extended use. The sleek black color adds a professional touch to your workspace.

## Long description

The EPOS \| SENNHEISER ADAPT 135T USB II is a wired, single-sided supra-aural headset designed for office, hybrid and call-centre environments. It delivers a frequency response of 20–20,000 Hz for clear audio, features a discreet folding boom arm and offers plug-and-play connectivity via 3.5 mm jack, USB-A or USB-C. Lightweight construction (approx. 107 g), 2.317 m cable length and large on-ear leatherette earpads provide comfort during extended use.
Advantages
Microsoft Teams certified and UC-optimized variants ensure smooth integration with collaboration platforms and include a dedicated Teams button. The headset combines business-grade call quality with a stylish, fold-away boom arm for a professional appearance. Plug-and-play connectivity with 3.5 mm jack, USB-A or USB-C delivers simple, reliable connection options for desktop and mobile use. Large leatherette earpads improve comfort and provide passive noise damping, while a fold-flat ear cup design and included carry pouch make the headset easy to store and transport.
Suitable for
Office and hybrid workstations
Call centres and customer support
Remote work and mobile professionals
Unified Communications (UC) setups and Microsoft Teams environments
Key specifications
Brand: EPOS \| SENNHEISER
Model: ADAPT 135T USB II (MPN 1000900)
Connectivity: Wired — 3.5 mm jack, USB-A or USB-C
Ear coupling: Supra-aural (on-ear)
Frequency response: 20–20,000 Hz
Cable length: 2.317 m
Weight: 0.107 kg (approx.)
Colour: Black
Wearing style: Head-band, single-sided
How to use
Connect the headset to your device using the appropriate connector (3.5 mm jack, USB-A or USB-C). If using a Microsoft Teams-certified variant, use the dedicated Teams button for quick access to the app. Position the boom arm microphone towards your mouth for optimal voice pickup; fold the boom arm into the headband when not in use. Adjust the headband and earpad position for a comfortable fit and allow the leatherette earpads to provide passive noise damping during calls.
Usage recommendations
For best call clarity, keep the microphone boom approximately 1–2 cm from your mouth and avoid covering the microphone with clothing. Use USB-A or USB-C connection for consistent digital audio on compatible systems; the 3.5 mm jack is useful for mobile devices. Store the headset in the carry pouch and fold the ear cups flat to protect the earpads when transporting.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 20 - 20000 |
| Magnet type | Neodymium |
| Ear coupling | Supraaural |
| Driver type | Dynamic |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| USB connectivity | Yes |
| USB connector | USB Type-A |
| 3.5 mm connector | Yes |
| Cable colour | Black |

### Performance

| Feature | Value |
|---|---|
| Cable length | 2.317 m |
| Certification | Microsoft Teams |
| 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

| Feature | Value |
|---|---|
| Quantity | 1 |
| Microphone mute | Yes |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 100 - 8000 |
| Folding microphone | Yes |
| Microphone noise-canceling | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.107 kg |
| Height | 58 mm |
| Width | 160 mm |
| Depth | 194 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | -20 - 70 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 159 g |
| Package depth | 160 mm |
| Package height | 60 mm |
| Package width | 180 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quick start guide | Yes |

### Logistics data

| Feature | Value |
|---|---|
| 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 |

## FAQ

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

The price is 58.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 78 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 01.07.2026 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 EPOS 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 EPOS 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

### Where can I download the instructions for Headset EPOS SENNHEISER ADAPT 135T USB II?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/4091266/62292677_large.webp