# Headphones Intenso O400HA

**URL:** https://aio.lv/en/product--intenso-3740403--11238997
**Data updated:** 2025-12-30 18:35 (EET)
**Category:** Headphones
**Manufacturer:** INTENSO
**Manufacturer code:** 3740403
**EAN:** 4034303035519
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--intenso-3740403--11238997

## Delivery options

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

## Summary description

The Intenso O400HA headphones offer wireless connectivity via Bluetooth, making them perfect for everyday use and music enjoyment. With a frequency range of 20 - 20000 Hz and a wireless range of up to 15 meters, you can enjoy high-quality sound without being tethered. Weighing only 248 grams, they are lightweight and comfortable for extended wear. The stylish rose color adds a touch of elegance to your audio experience.

## Long description

The Intenso O400HA over-ear headphones provide flexible listening options and clear sound for everyday use. They offer multiple operating modes including music mode for balanced reproduction, Hybrid Active Noise Cancelling (ANC) that reduces ambient noise by up to 35 dB, transparency mode to let important external sounds through, and passive wired mode via the 3.5 mm audio jack for battery-free listening. Lightweight and foldable, the headphones support Bluetooth 5.3 with a wireless range up to 15 meters and house 40 mm drivers for detailed audio across music styles. The package includes a USB-C to USB-C charging cable and a 1.5 m 3.5 mm audio cable; available colours include black, white, pink (rose) and blue.
Advantages
The headphones combine Hybrid ANC, transparency mode and passive wired operation to suit different environments and preferences. Long battery life of up to 75 hours and fast-charge capability (6 hours playback after 15 minutes charging) provide extended use with quick top-ups. Bluetooth 5.3 ensures a stable wireless connection while the foldable ergonomic design and lightweight construction (about 248 g) improve comfort and portability.
Suitable for
Listening to music at home, work or on the go
Commuting and travel where noise reduction is needed
Online meetings or calls using a wireless connection
Use with devices via wired 3.5 mm jack when battery is unavailable
Key specifications
Model: Intenso O400HA
Driver size: 40 mm
Frequency response: 20 – 20,000 Hz
Connectivity: Bluetooth 5.3 and 3.5 mm wired
Wireless range: up to 15 m
Battery: 600 mAh, up to 75 hours playback; USB-C charging (approx. 2 hours full charge)
Fast charge: 15 minutes charging = approx. 6 hours playback
Weight: 0.248 kg
Cable length (included): 1.5 m
Colours: black, white, pink (rose), blue
EAN: 4034303035519
How to use
Charge the headphones using the supplied USB-C cable until fully charged or use partial charging for quick playback. For wireless use, pair the O400HA with your device via Bluetooth 5.3 following the device pairing procedure. Select between music, ANC, transparency or passive wired mode depending on environment and preference. To use wired mode, connect the included 3.5 mm cable to the headphone jack and the audio source; wired use works without battery power.
Usage recommendations
For best performance, use ANC in noisy environments and transparency mode when you need to hear announcements or conversations. Charge regularly to maintain battery health and store the headphones folded to save space when not in use.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 20 - 20000 |
| Impedance | 32 Ω |
| Ear coupling | Circumaural |
| Noise canceling type | Active |
| Diaphragm diameter | 40 mm |
| Transparency mode | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth version | 5.3 |
| Wireless range | 15 m |
| Bluetooth | Yes |
| Bluetooth profiles | SBC |
| 3.5 mm connector | Yes |

### Performance

| Feature | Value |
|---|---|
| Cable length | 1.5 m |
| Product colour | Rose |
| Volume control | Touch |
| Headset type | Binaural |
| Wearing style | Handheld |
| Recommended usage | Music/Everyday |
| Product type | Headphones |
| Control unit type | On-ear control unit |

### Microphone

| Feature | Value |
|---|---|
| Microphone type | Not available |

### Design

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.248 kg |
| Height | 195 mm |
| Width | 165 mm |
| Depth | 75 mm |

### Power

| Feature | Value |
|---|---|
| USB Type-C charging port | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery type | Built-in battery |
| Battery capacity | 600 mAh |
| Fast charging time | 15 min |
| Fast charging | Yes |
| Battery operated | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Audio (3.5mm), USB Type-C |

### Logistics data

| Feature | Value |
|---|---|
| Products per master (outer) case | 6 pc(s) |

### Supplier features

| Feature | Value |
|---|---|
| Charging time | 2 min |
| Battery life | 75 min |

## FAQ

### How much does the Headphones Intenso O400HA cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 Monday 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 INTENSO 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 INTENSO 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 Headphones Intenso O400HA?

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/11238997/62209275_large.webp