# 3M Peltor WS Alert X MRX21A3WS7 Bluetooth headset earcup hearing protector, headband, SNR 31 dB

**URL:** https://aio.lv/en/product--3m-mrx21a3ws7--12255867
**Data updated:** 2026-04-14 22:28 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** 3M
**Manufacturer code:** MRX21A3WS7
**EAN:** 0068060860279
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 537.49 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 444.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--3m-mrx21a3ws7--12255867

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.08.2026 | free |
| Pickup points | 19.08.2026 | 1.79 EUR |
| Courier delivery to door | 19.08.2026 | 4.99 EUR |

## Summary description

3M Peltor WS Alert X MRX21A3WS7 is a Bluetooth-enabled earcup hearing protector with a headband design and SNR 31 dB attenuation. It combines hearing protection with wireless communication for use in noisy environments, allowing hands-free calls, audio streaming and compatibility with industrial safety workflows. Suitable for construction, manufacturing and outdoor work where hearing protection and Bluetooth connectivity are needed.

## Long description

The 3M Peltor WS Alert X MRX21A3WS7 is a headband-style Bluetooth earcup hearing protector designed to reduce hazardous noise while enabling hands-free wireless communication. With a stated SNR of 31 dB, this headset combines passive attenuation with integrated Bluetooth audio for phone calls, voice prompts and media streaming. The product is intended for environments where hearing protection and mobile connectivity are required simultaneously, such as construction sites, maintenance tasks and outdoor work.
Advantages
The headset merges hearing protection and Bluetooth connectivity in a single unit, allowing users to maintain situational awareness while making or receiving calls and listening to audio. Its headband design provides a stable fit for intermittent or continuous use, and the earcup form factor offers consistent passive attenuation across frequencies. Integrated controls enable basic call and audio management without removing protective equipment, and the overall design is compatible with standard industrial safety workflows.
Suitable for
 Construction and building sites where noise levels fluctuate and communication is needed
 Manufacturing and assembly lines that require hearing protection and hands-free calls
 Outdoor maintenance, landscaping, and agricultural tasks with intermittent loud machinery
 Inspection, facility management, and site supervision requiring mobile audio streaming and voice prompts
When it may not be suitable
This earcup hearing protector uses passive attenuation and is not a substitute for specialized active noise cancellation systems intended for extreme low-frequency noise. It may not be ideal for users who need full face protection or integration with helmets if a headband-mounted configuration interferes with other personal protective equipment. For applications requiring certified compatibility with specific helmets or communication systems, verify fit and interoperability before use.
Key specifications
 SNR (Single Number Rating): 31 dB attenuation
 Design: headband-mounted earcup hearing protector
 Connectivity: Bluetooth audio for calls and media streaming
 Controls: integrated on-ear controls for call and audio management
 Functionality: hands-free calls, audio streaming, voice prompts
How to use
Place the headband over the head so the earcups fully cover the ears and create an effective seal. Power on the unit and pair it with a Bluetooth-enabled device following the manufacturer pairing procedure. Use the on-ear controls to answer or end calls and to control media playback. Inspect cushions and headband for damage before each use and replace worn parts according to maintenance guidance. Store the headset in a dry, dust-free environment when not in use to preserve sealing surfaces and electronics.
What to consider before purchase
 Confirm that headband mounting is compatible with other personal protective equipment you use (helmets, goggles)
 Check that Bluetooth connectivity and supported call/audio functions meet your workflow needs
 Ensure the stated SNR 31 dB attenuation is appropriate for the noise levels in your work environment
Usage recommendations
Use this headset where moderate to high noise attenuation is needed along with mobile communication; regularly inspect seals and cushions for wear and follow workplace safety rules regarding hearing protection. For tasks with extreme noise levels or where integration with other certified PPE is mandatory, confirm suitability with your safety officer.

## FAQ

### How much does the 3M Peltor WS Alert X MRX21A3WS7 Bluetooth hearing protector cost, and is it available for purchase?

The price is 537.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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 14.08.2026 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. 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 3M 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 3M 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/12255867/68665463_large.webp