# Conceptronic POLONA04B Bluetooth Stereo Headset with Microphone and ANC

**URL:** https://aio.lv/en/product--oem-444345--12411836
**Data updated:** 2026-05-09 17:42 (EEST)
**Category:** Footwear
**Manufacturer:** OEM
**Manufacturer code:** 444345
**EAN:** 3700748302073
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-444345--12411836

## 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 Conceptronic POLONA04B is a versatile stereo headset featuring both wired and wireless Bluetooth connectivity. Designed for calls and music playback, this headset includes an integrated microphone and Active Noise Cancelling (ANC) technology for an enhanced audio experience. With a battery life of up to 40 hours, it is an ideal choice for daily use in professional or personal environments.

## Long description

The Conceptronic POLONA04B Bluetooth Stereo Headset is a versatile audio solution designed for both professional and personal use. It offers flexible connectivity options, supporting both wireless Bluetooth 5.3 and wired connections. This headset is engineered to provide high-fidelity sound for music playback and clear voice transmission for calls, making it a reliable tool for daily communication.
Advantages
This headset features advanced noise-cancelling technology integrated into a 270-degree rotatable boom microphone, ensuring that your voice remains clear by filtering out ambient background noise. The device supports dual-device connectivity, allowing you to switch seamlessly between two Bluetooth sources. Designed for extended wear, it incorporates memory foam ear pads and a self-adjustable headband to provide comfort during long work sessions or listening periods. The long-lasting battery supports up to 30 hours of talk time or 40 hours of music playback on a single charge.
Suitable for
Professional video conferencing and online meetings
Daily use in call centers or office environments
Listening to music and media playback
Hands-free communication at home or in the workplace
When it may not be suitable
This headset may not be the ideal choice for users requiring extreme portability, as its over-ear design is larger than compact earbuds. Additionally, while it offers noise cancellation for the microphone, it may not provide the same level of total acoustic isolation as high-end studio headphones in extremely loud environments.
Key specifications
Connectivity: Bluetooth 5.3, 3.5 mm wired, and USB
Battery capacity: 600 mAh
Microphone type: Boom with mute function
Microphone sensitivity: -42 dB
Impedance: 32 Ω
Weight: 170 g
Battery life: Up to 30 hours talk time or 40 hours music playback
How to use
To use the headset wirelessly, pair it with your Bluetooth-enabled device by following the standard pairing procedure. You can connect to two devices simultaneously if needed. For wired use, connect the headset via the 3.5 mm cable or USB port provided. Adjust the headband to fit your head size and position the rotatable microphone boom to the desired angle for optimal voice capture. Use the integrated mute button on the microphone arm to quickly silence your audio during calls.
What to consider before purchase
Ensure your primary devices support Bluetooth 5.3 or have a 3.5 mm/USB audio output
Verify if the supra-aural fit meets your preference for long-term comfort
Consider the charging requirements for the 600 mAh internal battery
Usage recommendations: To maintain battery health, charge the headset fully before the first use and avoid leaving it in extreme temperatures. Regularly clean the memory foam ear pads with a soft, dry cloth to ensure hygiene and comfort.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.17 kg |
| Package weight | 290 g |
| Battery type | Built-in battery |
| Battery capacity | 600 mAh |
| Operating temperature (T-T) | 0 - 45 |
| Bluetooth version | 5.3 |
| Height | 186.52 mm |
| Battery recharge time | 2 h |
| Signal-to-Noise Ratio (SNR) | 55 dB |
| Width | 67.97 mm |
| Depth | 169.19 mm |
| Connectivity technology | Wired & Wireless |
| Product colour | Black |
| Frequency band | 2.402 - 2.48 |
| Cables included | USB Type-A to USB Type-C |
| Impedance | 32 Ω |
| Microphone sensitivity | -42 dB |
| Talk time | 40 h |
| Continuous audio playback time | 44 h |
| Bluetooth | Yes |
| Ear coupling | Supraaural |
| Microphone mute | Yes |
| Country of origin | China |
| Package depth | 185 mm |
| Package height | 200 mm |
| Package width | 78 mm |
| Quick start guide | Yes |
| Bluetooth profiles | HFP, A2DP, AVRCP, HSP |
| Master (outer) case height | 245 mm |
| Master (outer) case width | 420 mm |
| Package type | Hanging box |
| Battery voltage | 3.7 V |
| Rechargeable battery | Yes |
| Headset type | Binaural |
| Wearing style | Head-band |
| Operating keys | Mute |
| Output power | 10 mW |
| Recommended usage | Calls/Music |
| Battery capacity | 2.22 Wh |
| Battery operated | Yes |
| USB connectivity | Yes |
| Product type | Headset |
| Master (outer) case gross weight | 6800 g |
| Master (outer) case length | 765 mm |
| Products per master (outer) case | 20 pc(s) |
| USB connector | USB Type-C |
| 3.5 mm connector | Yes |
| Sustainability compliance | Yes |
| Hybrid noise-canceling | Yes |
| Compliance certificates | CE, RoHS |

## FAQ

### How much does the Conceptronic POLONA04B Bluetooth Stereo Headset cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 215 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, 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 OEM 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 OEM 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

### Where can I download the instructions for Conceptronic POLONA04B Bluetooth Stereo Headset?

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/12411836/68720107_large.webp