# Headset Deltaco HL-BT404

**URL:** https://aio.lv/en/product--deltaco-hl-bt404--11225800
**Data updated:** 2025-12-30 18:34 (EET)
**Category:** Headphones
**Manufacturer:** DELTACO
**Manufacturer code:** HL-BT404
**EAN:** 7333048052681
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 26.85 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--deltaco-hl-bt404--11225800

## 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 Deltaco HL-BT404 headset offers both wired and wireless connectivity, making it versatile for calls and music. With a frequency range of 20 - 20000 Hz and a wireless range of up to 10 meters, it ensures high-quality sound and freedom of movement. Weighing only 175 grams, it is lightweight and comfortable for extended use. The sleek black design adds a modern touch to your audio experience.

## Long description

The Deltaco HL-BT404 headphones provide both wired and wireless connectivity with active noise cancellation, allowing focused listening to music, podcasts or quiet during travel. The headset supports Bluetooth connection or use via the included 3.5 mm cable and charges with the supplied USB Micro-B cable. The fold-flat design and lightweight construction make it easy to store and comfortable to wear for extended periods.
Advantages
These headphones combine active noise cancelling with dual connectivity (Bluetooth and 3.5 mm wired), on-ear controls for calls and music, and a fold-flat design for compact storage. The lightweight circumaural construction and head-band wearing style contribute to comfortable long-term use. A wireless range up to 10 meters ensures flexible movement when used wirelessly.
Suitable for
Commuting and travel (airplanes, trains, buses)
Listening to music and podcasts at home or on the go
Making and receiving phone calls hands-free
Situations requiring reduced ambient noise for better focus
Key specifications
Brand: DELTACO
Model: HL-BT404
Connectivity: Wired & Wireless (Bluetooth and 3.5 mm cable)
Frequency response: 20 – 20,000 Hz
Wireless range: up to 10 m
Weight: 0.175 kg
Ear coupling: Circumaural
Wearing style: Head-band
Colour: Black
How to use
Charge the headphones using the supplied USB Micro-B cable until fully charged. To use wirelessly, pair the HL-BT404 with your device via Bluetooth following your device’s Bluetooth settings. To use wired, connect the included 3.5 mm cable between the headset and your audio source. Use the on-device buttons to control playback and to answer or end calls. Activate the noise-cancelling function via the dedicated control; ensure the headset has sufficient battery for the feature to operate.
Usage recommendations
For effective noise cancellation, make sure the headphones are charged and the noise-cancelling function is switched on. Store the headset folded flat in a bag or case when not in use to protect the ear cups and save space.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 20 - 20000 |
| Headphone sensitivity | 110 dB |
| Impedance | 32 Ω |
| Driver unit | 40 mm |
| Ear coupling | Circumaural |
| Noise canceling type | Active |
| Noise canceling | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired & Wireless |
| Bluetooth version | 5.0 |
| Wireless range | 10 m |
| Bluetooth | Yes |
| USB connectivity | Yes |
| USB connector | Micro-USB |
| 3.5 mm connector | Yes |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black |
| Volume control | Button |
| Control type | Buttons |
| Headset type | Binaural |
| Wearing style | Head-band |
| Operating keys | Volume -, Volume +, Answer/end call, Track |
| Recommended usage | Calls/Music |
| Product type | Headset |
| Control unit type | On-ear control unit |

### Other features

| Feature | Value |
|---|---|
| Continuous audio playback time | 9 h |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 20 - 20000 |
| Microphone sensitivity | -42 dB |
| Microphone input impedance | 2200 Ω |

### Design

| Feature | Value |
|---|---|
| Foldable | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.175 kg |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery type | Built-in battery |
| Battery capacity | 380 mAh |
| Battery operated | Yes |
| Input voltage (earpieces) | 3.7 V |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85183000 |

## FAQ

### How much does the Headset Deltaco HL-BT404 cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 88 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. 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 DELTACO 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 DELTACO 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, 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.

## Image

https://aio.lv/img/cache/product/11225800/62260439_large.webp