Features
The ISOtunes Sport Defy Slim Basic Electronic Earmuffs deliver superior protection in a no-frills, ultra-slim design. Tactical Sound Control allows you to hear and control ambient sound volumes, all while protecting you from harmful gunshot noises. DEFY Slim Basic is the ultimate electronic earmuff for distraction-free, high-performance protection.
Note- This product is not Bluetooth enabled and does not include a microphone for phone calls
- Tactical Sound Control Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds
- Ultra-Slim Profile
- 20 NRR tested and approved to ANSI s3. 19-1974
- Lightweight Design at just 289 grams
- Up to 300 Hr Battery Life with 2 AAA batteries
- SafeMax Technology limits volume output to 85dB for all-day, damage-free listening
- IPX4 Durability for sweat, water, and dust resistant protection
- Comes with 2 AAA batteries and an auxiliary cable
Returns Policy
- We are unable to accept returns on ammunition. All ammunition sales are final.
- It is up to the customer to know all local laws and obey them. By purchasing ammunition or magazines you certify that you are 21 years of age.
Delivery Date and Manually Reviewed Orders
- We offer the estimated delivery date at checkout for UPS and Fedex shipping. This is an estimate based on the current warehouse workflow and the shipping carrier's transit time.
- If your order requires manual review the shipping date may be delayed. Orders that need to be manually verified are flagged by our system. Typically we flag orders for manual verification if the billing and shipping address do not match, we need an ID on file to ship the order, or if the order is from a first time customer for a large amount. We will contact you promptly to verify your order or request an ID. To expedite this process feel free to contact us in advance to verify the order or submit your ID. Please submit the ID using the tools on the site to upload your ID. This info is displayed below under your corresponding state. Once you have been verified you will be put on a white list for future orders. We thank you for your help.
Shipping Restrictions
Alaska | No ammunition |
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California |
Must be shipped to an FFL or Licensed Ammunition Vendor unless you are an exempt peace officer. IF you have an FFL03 we can ship ammunition to you once on file, but you must have an AVL issued by CA to transfer ammunition. Click here to view the FFL dealers we have on file and instructions for shipping to a CA FFL or AVL. Click here to upload your FFL or AVL information (LEO Credentials if applicable) No tracer ammunition No magazines over 10 rounds |
Connecticut |
No magazines over 10 rounds |
Colorado | No magazines over 15 rounds |
DC | No ammunition, no magazines over 10 rounds |
Hawaii | No Ammunition, no magazines over 10 rounds, no Starter Pistols |
Illinois | Must have an Illinois Firearms Owner Identification Card, no shipments to Chicago. Click here to upload your IL Firearms Owner ID Card |
Maryland | No magazines over 10 rounds |
Massachusetts | No Ammunition, no magazines over 10 rounds, no Starter Pistols |
New Jersey | No magazines over 10 rounds, must have a New Jersey Firearms Purchaser Identification Card to purchase ammunition Click here to upload your NJ Firearms Purchaser ID Card |
New York | No magazines over 10 rounds |
New York City | No magazines over 10 rounds, all ammunition must be shipped to an FFL Click here to upload an FFL |