# Wireless sports headset Koss BT221I — Bluetooth, supra-aural, ear-hook, 50–18000 Hz, black/blue

**URL:** https://aio.lv/en/product--koss-194332--1217820
**Data updated:** 2026-02-12 09:42 (EET)
**Category:** Headphones
**Manufacturer:** Koss
**Manufacturer code:** 194332
**EAN:** 021299194331
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--koss-194332--1217820

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | 19.06.2026 | 1.99 EUR |
| Courier delivery to door | 19.06.2026 | 4.99 EUR |

## Summary description

The Koss BT221I is a wireless sports headset with Bluetooth connectivity and an ear-hook wearing style for a secure fit during workouts. Supra-aural cups deliver sound across a 50–18000 Hz frequency range. Available in black and blue, it is designed for active users who need freedom of movement while running, training or commuting.

## Long description

The Koss BT221I is a wireless sports headset designed for active use. It combines Bluetooth connectivity with an ear-hook wearing style and supra-aural cups to keep earbuds in place and deliver audio across a 50–18,000 Hz frequency range. The headset is available in a black and blue finish and is intended for users who require mobility and a stable fit during running, gym sessions or daily commuting.
Advantages
The Bluetooth wireless connection removes cables that can interfere with movement, while the ear-hook design provides a secure fit during physical activity. Supra-aural coupling ensures on-ear contact for clear sound reproduction within the specified frequency range. The compact and lightweight construction supports extended wear during workouts without significant pressure on the ears.
Suitable for
 Running and jogging
 Gym and fitness training
 Commuting and travel
 Hands-free phone calls while active
Key specifications
 Connectivity: Wireless Bluetooth
 Ear coupling: Supra-aural (on-ear)
 Wearing style: Ear-hook for secure fit
 Frequency response: 50–18,000 Hz
 Colour: Black and blue
How to use
Charge the headset according to the manufacturer’s instructions before first use. Power on the headset and enable Bluetooth on your playback device; pair the devices following the standard Bluetooth pairing process. Place the ear-hook over the ear and adjust the on-ear cups so they sit comfortably on the outer ear. Use device controls or headset buttons to play audio, adjust volume, or answer calls. After use, power off the headset and store it in a dry place.
Usage recommendations
For optimal fit and sound during exercise, position the ear-hook so it follows the contour of the ear and ensure the on-ear cups make gentle contact with the ear surface. Keep firmware and device Bluetooth profiles updated for reliable connection. Avoid exposing the headset to excessive moisture or impact to preserve performance and lifespan.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 50 - 18000 |
| Headphone sensitivity | 101 dB |
| Ear coupling | Supraaural |

### 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, Blue |
| Volume control | Buttons |
| Headset type | Binaural |
| Wearing style | Ear-hook |
| Recommended usage | Sports |
| Product type | Headset |

### Other features

| Feature | Value |
|---|---|
| Continuous audio playback time | 6 h |
| Cord clip | Yes |
| 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 Wireless sports headset Koss BT221I cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 Tuesday 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.

## Image

https://aio.lv/img/cache/product/1217820/62259038_large.webp