# Headphones DEFENDER Freemotion B571 — wireless Bluetooth, over-ear head-band, USB-C, AUX, 20–20000 Hz, 115 dB, built-in rechargeable battery, LED (Black)

**URL:** https://aio.lv/en/product--defender-63572--11083714
**Data updated:** 2026-01-21 13:38 (EET)
**Category:** Headphones
**Manufacturer:** DEFENDER
**Manufacturer code:** 63572
**EAN:** 4745090822472
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--defender-63572--11083714

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | 03.07.2026 | 1.89 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

DEFENDER Freemotion B571 are binaural, over-ear Bluetooth headphones with a head-band design for universal use. They feature wireless connectivity with AUX input and USB-C charging, a closed acoustic system, frequency range 20–20,000 Hz and sensitivity 115 dB. Powered by a built-in rechargeable battery and equipped with LED accents, they suit everyday listening, calls and media playback.

## Long description

DEFENDER Freemotion B571 are binoaural, over-ear headphones with a head-band design for universal use. They provide wireless Bluetooth connectivity with an AUX input and USB‑C charging, a closed acoustic system, frequency response 20–20,000 Hz and sensitivity 115 dB. A built-in rechargeable battery powers the headset and LED accents are included for visual detail.
Advantages
The headset combines wireless Bluetooth convenience with a 3.5 mm AUX input for wired connection, supports USB‑C charging, and offers a closed acoustic design that reduces external noise. With high sensitivity and a wide frequency range, the headphones are suitable for clear playback of voice and media. The head‑band binaural construction ensures even sound distribution across both ears.
Suitable for
 Everyday music and media playback
 Voice calls and online communication
 Use with devices that support Bluetooth or AUX input
 Portable use with built-in rechargeable battery
Key specifications
 Wearing style: head‑band, over‑ear (binaural)
 Connectivity: wireless Bluetooth; AUX in (3.5 mm); USB‑C charging
 Acoustic system: closed
 Frequency response: 20–20,000 Hz
 Sensitivity: 115 dB
 Power supply: built‑in rechargeable battery
 Additional: LED accents
How to use
Charge the headphones via the USB‑C port before first use. For wireless operation, enable Bluetooth on the source device and pair it with the headset following the device pairing procedure. To use wired, connect a 3.5 mm audio cable to the AUX input. Adjust the head‑band and ear cups for a comfortable fit and control playback and calls using the headset controls according to the user interface.
Usage recommendations
For best battery life, fully charge the headphones before long usage and avoid leaving them discharged for extended periods. Use the AUX connection when battery conservation or lower latency is required.

## FAQ

### How much does the DEFENDER Freemotion B571 Bluetooth headphones cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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: 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

## Image

https://aio.lv/img/cache/product/11083714/65907421_large.webp