# Wireless head-band headphones DEFENDER Freemotion B651 — binaural, closed acoustic, 20–20000 Hz, 105 dB, USB-C, AUX

**URL:** https://aio.lv/en/product--defender-63651--11590995
**Data updated:** 2026-01-21 13:43 (EET)
**Category:** Headphones
**Manufacturer:** DEFENDER
**Manufacturer code:** 63651
**EAN:** 4745091890906
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--defender-63651--11590995

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

DEFENDER Freemotion B651 are wireless head-band headphones with binaural design and closed acoustic system. Frequency response is 20–20,000 Hz with 105 dB sensitivity. Equipped with USB‑C charging/input and AUX-in for wired connection. Recommended for universal everyday use — music, calls and media playback. Note: do not disassemble or modify the product.

## Long description

DEFENDER Freemotion B651 are wireless head-band headphones with a binaural design and a closed acoustic system. They provide a frequency response of 20–20,000 Hz and a sensitivity of 105 dB. The headset supports wireless connectivity and also offers USB‑C and AUX‑in ports for charging and wired connection. The product is intended for universal everyday use; do not disassemble or modify the device.
Advantages
The closed acoustic design reduces external noise for clearer playback, while the head-band binaural construction ensures stable fit and even sound distribution across both ears. USB‑C connectivity enables modern charging and quick connection, and the AUX‑in option allows continued use when a wired connection is preferred or required. The headphones cover the full typical audible frequency range and offer high sensitivity for pronounced sound output.
Suitable for
Listening to music and podcasts
Hands-free phone calls and voice communication
Watching videos and other media playback
Everyday portable use at home, office, or while commuting
Key specifications
Wearing style: head-band
Headset type: binaural (stereo)
Acoustic system: closed
Frequency response: 20–20,000 Hz
Sensitivity: 105 dB
Connectivity: wireless with AUX-in
USB input port type: USB‑C
How to use
Place the headphones on your head so the ear cups fully cover your ears and adjust the head-band for a comfortable fit. Use the wireless pairing procedure described in the device manual to connect to a Bluetooth source, or plug an audio cable into the AUX‑in port for a wired connection. Charge the device via the USB‑C port using a compatible charger until the battery is full. Follow on-device controls to play/pause audio, adjust volume, and answer calls.
Usage recommendations
Do not disassemble or modify the product yourself. Use the supplied connectors and follow standard charging practices. Keep the headphones dry and avoid exposing them to extreme temperatures to preserve performance and lifespan.

## FAQ

### How much does the Wireless headphones DEFENDER Freemotion B651 cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 02.07.2026 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

## Image

https://aio.lv/img/cache/product/11590995/66699283_large.webp