# In-ear wireless headset Koss BT115i — Bluetooth, intraaural, black/grey

**URL:** https://aio.lv/en/product--koss-194366--1217899
**Data updated:** 2026-02-12 09:42 (EET)
**Category:** Headphones
**Manufacturer:** Koss
**Manufacturer code:** 194366
**EAN:** 021299194362
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--koss-194366--1217899

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 16.06.2026 | 1.99 EUR |
| Courier delivery to door | 16.06.2026 | 4.99 EUR |

## Summary description

The Koss BT115i is an in-ear wireless headset for calls and music with Bluetooth connectivity. It uses intraaural ear coupling and covers a frequency range of 18–20,000 Hz for clear audio reproduction. Compact and lightweight, the black/grey headset is designed for everyday use — voice calls, commuting and casual music listening.

## Long description

The Koss BT115i in-ear wireless headset combines compact design with Bluetooth connectivity to provide a simple solution for voice calls and casual music listening. Featuring intraaural ear coupling and a frequency response spanning 18–20,000 Hz, the headset is engineered to reproduce speech and a wide range of musical tones with clarity. Its black and grey finish and lightweight construction make it suitable for daily use during commuting, office work or short workouts.
Advantages
The headset’s wireless Bluetooth connection eliminates cable clutter and enables hands-free communication. Intraaural ear coupling improves passive isolation and helps deliver clearer audio at lower volume levels. The unit’s compact form factor and low weight increase comfort for extended wear, while a straightforward control layout supports quick call and playback management. The frequency range ensures faithful reproduction of spoken voice and common music content.
Suitable for
Hands-free phone conversations in urban and office environments
Commuting and travel where compact, portable audio is needed
Casual music listening and podcasts
Short workouts and walking where sweat-resistance is not a primary concern
Key specifications
Ear coupling: intraaural (in-ear)
Connectivity: Bluetooth wireless
Wearing style: in-ear
Frequency response: 18–20,000 Hz
Colour: black and grey
How to use
Pair the Koss BT115i headset with a Bluetooth-enabled device by enabling Bluetooth on the device and selecting the headset from the list of available devices. Insert the earpieces gently into the ear canal until a comfortable seal is achieved. Use the on-cable or on-ear controls to answer and end calls, adjust playback, and manage volume as provided by the headset’s control set. After use, store the headset in a dry place and disconnect from the source device if not required.
Usage recommendations
For best audio clarity and comfortable fit, try different eartip sizes to achieve a secure seal. Keep firmware or device Bluetooth settings updated and recharge the headset according to the manufacturer’s instructions to maintain reliable connectivity.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 18 - 20000 |
| Headphone sensitivity | 110 dB |
| Ear coupling | Intraaural |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth version | 4.2 |
| Bluetooth | Yes |
| USB connectivity | No |
| 3.5 mm connector | No |
| 2.5 mm connector | No |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black, Grey |
| Headset type | Binaural |
| Wearing style | In-ear |
| Recommended usage | Calls/Music |
| Product type | Headset |

### Other features

| Feature | Value |
|---|---|
| Continuous audio playback time | 6 h |
| Rechargeable battery | Yes |

### Design

| Feature | Value |
|---|---|
| Buttons quantity | 3 |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery type | Built-in battery |

## FAQ

### How much does the Koss BT115i in-ear wireless headset cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 Thursday 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: Cash payment, 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 Koss 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 Koss 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, wearing style, product colour, 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 Koss BT115i in-ear wireless headset?

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/1217899/62259048_large.webp