DEFY Slim BT Electronic Earmuffs with Bluetooth, 21 NRR, OD Green
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Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more
The ISOtunes Sport DEFY Slim BT offers superior hearing protection in a slim, lightweight design perfect for shooting and outdoor activities. Featuring advanced sound control technology, it amplifies environmental sounds while instantly suppressing loud gunshot noise to keep you safe and aware. With Bluetooth 5.0 connectivity, up to 25 hours of battery life, and a comfortable, adjustable fit, these electronic earmuffs deliver advanced protection without sacrificing comfort. Durable and water resistant, DEFY Slim BT includes noise-isolating microphones and volume limiting for safe listening all day long.
Advanced Sound Control Technology
Amplifies environmental sounds up to 8x while quickly suppressing loud noises like gunshots to protect your hearing and maintain situational awareness.
ANSI-Certified 21 dB Noise Reduction Rating (NRR)
Provides reliable hearing protection by reducing harmful noise levels by 21 decibels.
Bluetooth 5.0 Connectivity
Allows seamless wireless streaming of music and calls, keeping you connected without the hassle of wires.
Long Battery Life
Powered by 2 AAA batteries, offering up to 25 hours of Bluetooth use or up to 120 hours in sound control mode for extended sessions.
Lightweight, Slim Design
Weighing just 310g, the slim profile ensures all-day comfort without bulk, making it ideal for shooting or extended wear.
Durable and Water Resistant (IPX4)
Built to withstand outdoor conditions with water resistance that protects against splashes and light rain.
Noise-Isolating Microphone
Ensures clear communication even in loud environments by minimizing background noise during calls or conversations.
Safe Volume Limiting
Limits maximum volume output to 85 dB to protect your ears from damage during prolonged use.
Adjustable Headband
Fits most head sizes comfortably with easy adjustability for a secure fit.
Main
| Wireless | Yes |
| Configuration | Core |
| Color | Olive |
ISOtunes Sport DEFY Slim BT with Bluetooth and Noise Suppression (OD Green)
| Noise Reduction Rating (NRR) | ANSI-certified 21 dB |
| Sound Enhancement | Amplifies ambient sounds up to 8× and suppresses gunshot noise in under 2 milliseconds |
| Bluetooth | 5.0 with up to 30 ft range and dual-device pairing |
| Battery | 2 AAA batteries included; up to 25 hours of Bluetooth use, up to 120 hours of sound control mode |
| Weight | Approx. 310 g (10.9 oz) |
| Water Resistance | IPX4 rated |
| Microphone | Noise-isolating |
| Volume Limiting | Max 85 dB |
| Headband | Adjustable, fits most sizes |
| Gel Cushion Compatibility | Yes (sold separately) |
| Included Accessories | 2 AAA batteries and auxiliary cable |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.





