Radians Vertex Corded Bluetooth Earbuds NRR 21dB with Hi-Low Compression

The Radians Vertex Corded Bluetooth Earbuds (model VX-BTAC10) are in-ear hearing protectors rated at NRR 21dB that combine Bluetooth 5.0 connectivity with active ambient-sound amplification, designed for range use, job-site work, or any environment where hearing protection and situational awareness are both required. The earbuds ship in black and silver and include a carrying case.

Hearing Protection That Still Lets You Hear

The Vertex earbuds provide NRR 21dB of in-ear noise reduction while two omni-directional microphones amplify ambient sounds up to 5X. This means a user can hold a conversation or hear range commands without removing the earbuds, then rely on the same earbuds to attenuate harmful impulse noise. Two selectable compression thresholds (85dB and 105dB) let the wearer match the cutoff to the noise environment, whether that is sustained machinery noise or intermittent gunfire.

Bluetooth Connectivity for Calls and Media

Bluetooth 5.0 allows the earbuds to pair with a phone or radio for answering calls or streaming audio without breaking the protective seal. The rechargeable lithium-ion battery delivers up to 9 hours of run time, and recharging is handled through the included USB-C cable, keeping the earbuds ready across a full shift or range session.

Fit and Field Durability

Three rubber ear tip sizes are included so the wearer can achieve a consistent acoustic seal regardless of ear canal size. The reflective woven cable connecting the two earpods allows them to be draped around the neck when not in use, reducing the chance of misplacement. A carrying case is included for storage and transport.

Features

  • NRR 21dB hearing protection: in-ear noise reduction rated at 21dB
  • 5X ambient amplification: two omni-directional microphones enhance surrounding sounds up to 5X
  • Hi-Low compression modes: selectable cutoff at 85dB or 105dB
  • Bluetooth 5.0: wireless connectivity for calls and media playback
  • 9-hour battery life: rechargeable lithium-ion battery with USB-C charging
  • Three ear tip sizes: soft rubber tips in multiple sizes for a secure acoustic fit

Specifications

Specification Detail
Model VX-BTAC10
NRR 21dB
Bluetooth Version 5.0
Ambient Amplification Up to 5X
Compression Modes High (105dB) / Low (85dB)
Speaker Size 9mm dynamic range
Microphones Two omni-directional in-ear
Battery Type Rechargeable lithium-ion
Battery Life 9 hours
Charging USB-C (cable included)
Ear Tips Included Three sizes, soft rubber
Cable Reflective woven corded
Color Black and Silver
Included Accessories Carrying case, USB-C charging cable

Who This Is For and Isn't

The Radians Vertex Corded Bluetooth Earbuds suit shooters, range officers, construction workers, and tactical professionals who need rated hearing protection alongside the ability to communicate by phone or monitor ambient sound during a session. The three ear tip sizes and corded design make them a practical choice for extended wear where losing an earbud is a concern.

These earbuds are not a substitute for higher-attenuation hearing protection in environments that require NRR ratings above 21dB. The corded design means they are not fully wireless. No waterproof or water-resistance rating is stated for these earbuds, so wet-condition suitability cannot be assumed.

Common Questions

What noise reduction rating do the Radians Vertex earbuds carry?

The Radians Vertex Corded Bluetooth Earbuds are rated at NRR 21dB. This rating reflects in-ear passive noise reduction. The active compression feature adds selectable cutoff thresholds at 85dB and 105dB, limiting amplified ambient sound to whichever level the wearer selects.

Can these earbuds amplify ambient sounds while still protecting hearing?

Yes. The Radians Vertex earbuds use two omni-directional in-ear microphones to amplify surrounding sounds up to 5X, allowing the wearer to hear conversation and environmental cues clearly. The Hi-Low compression circuit then limits sound at either 85dB or 105dB so harmful noise levels are attenuated automatically.

How long does the battery last, and how do the earbuds recharge?

The Radians Vertex earbuds provide up to 9 hours of run time on a full charge. Recharging is done via the included USB-C cable, which connects to the earbuds' built-in lithium-ion battery. No external charging case is required.

What Bluetooth version do the Vertex earbuds use, and what can they connect to?

The Radians Vertex earbuds use Bluetooth 5.0. They can pair with a smartphone or other Bluetooth-enabled device for answering phone calls or streaming audio, while the wearer maintains the NRR 21dB hearing protection seal provided by the in-ear tips.

What is included in the box with the Radians Vertex earbuds?

The Radians Vertex Corded Bluetooth Earbuds ship with three rubber ear tip sizes (small, medium, and large implied by "three sizes"), a USB-C charging cable, and a carrying case. The reflective woven cable connecting the two earpods is part of the earbuds themselves.

Bulletproof Zone will ship orders as soon as possible. For example, if you purchase three items, they will be shipped to you based on lead time and availability. This way you get as much of your order as soon as possible, which means that your order may come in separate packages, especially if you order products from different manufacturers.

We will bear the shipping cost for products returned because of product defect, misrepresentation, or false description. Afterward, we will initiate a full reimbursement should you decline an offer to replace the item with the same item of equal value and assured quality.

Order Confirmation:

As soon as you place your order with Bulletproof Zone, you will receive an order confirmation e-mail. This means that your order has been logged in our system and your credit card has been pre-authorized for the purchase. Afterward, we contact our suppliers to confirm the availability of the product you are ordering for immediate shipment. If your item is on backorder or unavailable, we will cancel the pre-authorization and duly inform you via e-mail.

Order Shipment:

Orders are shipped within five business days from the date of your order unless specified otherwise on the product page. The product page will contain the most accurate estimate on shipping and lead times. Shipping and lead times provided on the product page are our best estimates based various factors including order volume, information from our manufacturer, raw material fluctuations, etc., and may vary due to these factors. 

You will receive an email containing the tracking information of your order after the order has been shipped to your location. If you do not receive tracking information from us within seven business days of the lead time specified on the product page, feel free to follow up with us at orders@bulletproofzone.com.

Bulletproof Zone is not responsible for lost or stolen packages. A tracking number will be provided when the package is shipped. It is the buyer’s responsibility to provide a safe place to receive mail. Once an item has been marked as delivered by the carrier, the seller is not responsible should that item go missing. 

Some of our products are carried by manufacturers in various countries. Due to the nature and cost of the products that Bulletproof Zone sells, you may be charged additional import duties upon delivery. Our support team can help in investigating abnormally high import duty charges but we are unable to cover the cost of any import duties.

Damages:

We take full responsibility for any obvious damage to your product caused by wrong packaging or delivering an already defective product. Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should document it when signing for delivery. If the item(s) contained in the package arrives damaged, please send photos to support@bulletproofzone.com, and we will process an insurance claim on your behalf. 

Returns and Cancellation Policy:

We back all our products with a customer satisfaction guarantee, so we created a fair return and cancellation policy.

All sales are final. No Refunds, No Cancellations. In most cases, once the order is processed, it is final and not cancellable. We may allow exceptions due to an order error or wish to return your order after delivery for any reason other than a product defect or misrepresentation. Any cancellation request is subject to an administration and cancellation fee equal to 10% of your order with a minimum of $35, whether order shipment is successful or not. 

All sales are final on all closeout items and for custom manufactured bulletproof clothing once the manufacturing process has begun or not returnable unless there is a product defect or misrepresentation. Applicable to brands such as MC Armor, Israel Catalog, BulletBlocker, Tacticon Armament, Wonder Hoodie, and others. 

Before returning any product, you MUST obtain a return authorization from our customer service representative. We can only process AUTHORIZED returns for items.

To make a Return or Exchange: 
  • Obtain authorization for return or exchange by emailing us at support@bulletproofzone.com explaining the reason for the return or exchange.
  • Please use or indicate your order number as attention

Return or exchanges request submission must be within 14 calendar days upon receipt of shipment unless noted otherwise on the product description page.  Your return must be in original packaging and unused.

We encourage using USPS flat-rate shipping in returning products to receive a shipping expense refund. Buyers must ensure all returned parcels delivery receipt AND signature confirmation. We highly recommend insuring your parcel as we cannot issue a refund for an item that we do not receive back should it get lost/damaged during transit.

Refunds:

Should an item be returned because it was defective, misrepresented, not as described, etc., Bulletproof Zone will issue a full refund and will reimburse the customer for all shipping expenses associated with the return.

Please allow 5-10 business days from the time the item is received to process a refund. Refunds will only be issued to the original credit card that you use when placing your order.

We stand behind our products 100%!

By purchasing any of our items, the buyer certifies they have read and agree to our shipping, return, and privacy policies.

The Bulletproof Zone Promise

When you buy body armor, you're buying your safety. We don't take that lightly. Here's what every order from Bulletproof Zone includes.

1. Authorized dealer of every brand we carry

Every plate, vest, and carrier we ship comes from the manufacturer directly to our warehouse. We don't sell gray-market product, surplus, or returns. That means factory-fresh stock, the full manufacturer warranty, and real after-sale support — the kind only an authorized dealer can offer.

We maintain authorized-dealer relationships with America's leading body armor brands, including Spartan Armor Systems, AR500 Armor, RMA Defense, Shellback Tactical, Caliber Armor, DFNDR Armor, Protection Group Denmark, BulletSafe, BulletBlocker, and over 40 more.

2. Best price, guaranteed

If you find a lower price at another authorized dealer of the same product within six months of your purchase, we'll refund the difference.

Why the "authorized dealer" requirement? Because gray-market and surplus armor may not be genuine, may have a compromised supply chain, and almost never comes with a manufacturer warranty. We won't price-match against products that may not actually protect you.

3. Free fitment consultation

Body armor only protects you if it fits. Email us a photo and your measurements before you order, and one of our specialists will help you size your carrier and plates correctly — at no charge, no obligation.

4. Trusted by thousands of customers

Bulletproof Zone has been a trusted authorized dealer of America's leading body armor manufacturers for over five years. We have over 4,000 verified Trustpilot reviews from real customers across all 50 states.

Price Match Guarantee — Terms

  • You must have purchased the item from our website before requesting the price match.
  • Discounted items and "free with purchase" items are not eligible.
  • The item must be in stock on the competitor's website at the time of your request.
  • The price match is valid for six months from the date of your purchase.
  • The competitor must be an authorized dealer of the product. Auction sites (eBay, Overstock), discounters, and gray-market resellers do not qualify.
  • The competitor must operate an online store. Brick-and-mortar-only retailers do not qualify.
  • Price match applies to the item price plus shipping. Sales tax is excluded.

To request a price match, email us a link to the product on our site and the same product on the competitor's site within six months of purchase. We'll process the refund.

Why Bulletproof Zone?

At Bulletproof Zone, we are passionate about protecting lives. Every piece from our catalog is designed and rigorously tested to provide the highest quality of protection you need from firearms, explosives or even close quarters combat.

We’ve partnered with various manufacturers that operate within the United States under a strict set of guidelines both on a national and corporate level so that when you shop with us, you will be able to select from the highest quality body armor, ballistic plates and tactical gear available on the market.

Whether you are a military service member looking to find your own gear, a professional that operates in the security field, or an avid firearms enthusiast that capitalizes the importance of safety when shooting, our tactical gear will provide you the level of protection you need.

Any questions or concerns? Please call us at (408)-909-4938 or email us at support@bulletproofzone.com and a member of our professional support team will be in touch with you as soon as possible.

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