ISOtunes FREE EN352

8 reviews

Cut the cords. Go FREE. These true wireless Bluetooth earplugs feature all-day battery life, high fidelity aptX audio, and 22 NRR/ 29 SNR. ISOtunes FREE Industrial gives you the freedom you want and the protection you need.

Compliant with European Safety Standard EN352, including ISOtunes signature SafeMax™ Technology with 79 dB volume limit.

Father's Day Sale: Spend £90+ and receive a free PRO 1.0 EN352. See full details here

  • True wireless technology 
  • Certified to reduce noise by 22 NRR / 29 SNR
  • European Standard EN352 Compliant
  • SafeMax™ Technology limits volume output to 79 dB
  • Up to 7 hour battery life
  • Up to 14 additional hours with charging case 
  • IP45 dust, sweat, and water resistance
  • Noise-isolating microphone for clear calls in loud environments
  • Bluetooth 5.0 
  • Siri/Google Voice compatible  

ISOtunes FREE comes with 3 pairs of ISOtunes Short TRILOGY™ foam eartips, 3 pairs of silicone double flange eartips, USB-C cable, and a portable charging case.

  • 30-day money back guarantee
  • 1-year limited warranty

Three pairs of TRILOGY Short Replacement Eartips are included with each pair of ISOtunes FREE. When you receive your product, try on each eartip size for comfort and fit. For optimal hearing protection, follow the directions below:

  1. Inspect the eartips before every use for degradation or deformation. The integrity of the eartips is vital for proper hearing protection. 
  2. Ensure the eartips are securely attached to the ISOtunes product.
  3. Insert the eartips - make sure they are fitted, adjusted, and maintained in accordance with the manufacturer's instructions as stated in the manual included with the product.
Customer Reviews
4.8 Based on 8 Reviews
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Filter Reviews:
Whitney &.

yes, I'm that excited they are so good! I bought them for my husband for fathers day and he's loving them! The sound quality is top notch. He was able to call me while on the riding lawnmower and he could hear me clearly and also I couldn't tell how loud it was around him. Couldn't recommend these more!


Hi Whitney and Justin, thanks for your review! We are glad you are enjoying your FREEs :) Best, Team ISOtunes

Juan Perez Jr.

I have a wood work shop and always had to find my hearing protection and always had to stop to change my CD player or lower the volume to be considerate to my neighbor. Lets face it NICKLEBACK can be a lttle too much early in the AM. Yesterday was the first day of freedom. The ISOtunesFREE are so far comfortable, easy to operate, great sound (music & phone), and lasted at least 8 hours. The payoff was when I DID NOT NOTICE that I did not stop or hear the sounds of the machinery while working...Thank you, Juan P. Rhode Island


Thank you for this review, Juan! We're so happy to hear you're enjoying your FREE :)

Curtis w.
Great, but need these intrinsically safe.

If you produced the wired version in intrinsically safe model, you could ask 5 times the amount, the Bluetooth you could increase that as well, maybe double. We can find no other product that has the Noise reduction rating, much less also intrinsically safe model. Please provide one that is intrinsically safe model. Every refinery and chemical plant in the country is waiting for it.


Thank you for this review and feedback, Curtis! We will pass this information along to our engineering team.

Marty J.
They are great

I need a smaller foam tip than is in the package. The small rubber one I could not wear. Overall I like them and have all ready recommended them to friends.


Hi Marty - Thanks for the review, we're happy you overall are enjoying them! The white core eartips are the smallest size we have available, however, the more you compress and squish them down before inserting, the easier it is to get them to fit in your ear. If you have any other questions please don't hesitate to reach out to us - Best, Team ISOtunes

Kyle F.
Around the shop or around the yard

I got these because I love my isotunes pro. But I wanted a complete wireless pair. These are great. I can runaround on my tractor, my utility cart (JD Gator), and my lawnmower. Or just working in my wood shop. I listen to music, podcasts, and talk on the phone with no problem. And will even just have them in just for hearing protection. The caring case with charging capabilities is great. I just leave them in my work pants and always have them with me for when I need them. I use them way more then I have used ear protection in the past. They are a great product from a great company.


Thank you, Kyle! We appreciate your review and are thrilled to hear you are enjoying your FREE Industrial :) Best, Team ISOtunes

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