# Headphones Defender FreeMotion B552

**URL:** https://aio.lv/en/product--defender-63552--4516058
**Data updated:** 2026-01-17 11:54 (EET)
**Category:** Headphones
**Manufacturer:** DEFENDER
**Manufacturer code:** 63552
**EAN:** 4714033635523
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--defender-63552--4516058

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.89 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Defender FreeMotion B552 headphones offer both wired and wireless connectivity, making them versatile for calls, music, sports, and everyday use. With a frequency range of 20 - 20000 Hz and a wireless range of 10 meters, they provide excellent sound quality. Weighing only 200 g and featuring a sleek black design, these headphones are comfortable for extended wear. They also support USB Type-C and Bluetooth connectivity.

## Long description

Defender FreeMotion B552 foldable Bluetooth headphones provide wired and wireless listening with comfortable supra-aural ear cushions and a lightweight head-band design. They include a MicroSD card slot to play music without a phone or laptop, an adjustable headband for a personalized fit, a built-in six-mode equalizer and on-earcup controls for calls and track navigation. A detachable audio cable and up to 25 hours of battery operation (depending on usage) ensure extended use.
Advantages
The combination of Bluetooth and wired connectivity allows uninterrupted listening even when the battery is low. The MicroSD slot converts the headset into an MP3 player for standalone playback. Six equalizer modes (normal, pop, rock, jazz, country, heavy bass) let you tailor sound to different music genres, while on-ear controls and a lightweight, adjustable headband improve everyday usability and comfort.
Suitable for
Listening to music wirelessly at home or on the go
Using as a wired headset when battery is depleted or for devices without Bluetooth
Merging hands-free calls and music playback with on-ear controls
Playing music directly from a MicroSD card without a connected device
Key specifications
Connectivity: Bluetooth and wired (audio cable included, USB Type-C charging)
Frequency response: 20–20000 Hz
Wireless range: up to 10 meters
Equalizer: 6 modes (normal, pop, rock, jazz, country, heavy bass)
Battery life: up to 25 hours (varies with volume and usage)
Weight: 200 g
Ear coupling: supraaural; wearing style: head-band
Colour: black
How to use
Charge the headphones using the USB Type-C port before first use. For wireless listening, pair the headset with a Bluetooth-enabled device following the pairing instructions in the user manual; use the on-earcup controls to play/pause, skip tracks or answer calls. To play music without a connected device, insert a MicroSD card with audio files into the card slot. If the battery is discharged, connect the included audio cable to use the headphones in wired mode.
Usage recommendations
For best sound and battery performance, keep the firmware updated if updates are provided, store the headphones in a dry place, avoid exposing them to extreme temperatures, and use moderate volume levels to extend battery life and preserve hearing.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 20 - 20000 |
| Headphone sensitivity | 115 dB |
| Ear coupling | Supraaural |
| Acoustic system | Closed |
| Noise canceling type | Passive |
| Diaphragm diameter | 40 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired & Wireless |
| Bluetooth version | 5.3 |
| Wireless range | 10 m |
| Frequency band | 2.402 - 2.48 |
| Bluetooth | Yes |
| Bluetooth profiles | A2DP, AVRCP, HFP, HSP |
| USB connectivity | Yes |
| USB connector | USB Type-C |
| 3.5 mm connector | Yes |

### Performance

| Feature | Value |
|---|---|
| Product colour | Black |
| Volume control | Button |
| Control type | Buttons |
| Detachable cable | Yes |
| Housing material | Plastic |
| Headset type | Binaural |
| Wearing style | Head-band |
| Operating keys | Multi-key |
| Recommended usage | Calls/Music/Sport/Everyday |
| Product type | Headphones |
| Music playback | Yes |
| Adjustable headband | Yes |
| Control unit type | On-ear control unit |

### Technical details

| Feature | Value |
|---|---|
| Pallet ITF-14 (EU) | 14714033635520 |

### Other features

| Feature | Value |
|---|---|
| Equalizer | Yes |
| Talk time | 25 h |
| Continuous audio playback time | 25 h |
| Equalizer modes | Music |

### Microphone

| Feature | Value |
|---|---|
| Microphone frequency | 20 - 16000 |
| Microphone sensitivity | -42 dB |

### Design

| Feature | Value |
|---|---|
| Foldable | Yes |
| On/off switch | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.2 kg |
| Height | 170 mm |
| Width | 180 mm |
| Depth | 78 mm |

### Battery

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Battery capacity | 200 mAh |
| Battery operated | Yes |
| Charging source | USB |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -20 - 60 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 300 g |
| Package depth | 89 mm |
| Package height | 154 mm |
| Package width | 170 mm |
| Package type | Hanging box |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | Audio (3.5mm) |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 550 mm |
| Master (outer) case width | 360 mm |
| Master (outer) case gross weight | 8300 g |
| Master (outer) case length | 325 mm |
| Products per master (outer) case | 24 pc(s) |
| Master (outer) case volume | 0.0643 cm³ |
| Shipping (inner) case volume | 0.0023 cm³ |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE, RoHS |

### Music player

| Feature | Value |
|---|---|
| Compatible memory cards | MicroSD (TransFlash) |

## FAQ

### How much does the Headphones Defender FreeMotion B552 cost, and is it available for purchase?

The price is 16.99 € (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 07.07.2026 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 DEFENDER 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 DEFENDER 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, 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 Headphones Defender FreeMotion B552?

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/4516058/62245857_large.webp