These ISOTunes Sport DEFY Slim Basic Electronic Ear Defenders 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. These are the ultimate electronic earmuff for distraction-free, high-performance protection.
 
Key features include
 
Over the head ear defenders
Outstanding hearing protection in an ultra-slim design.
Tactical Sound Control™ allows you to hear and control ambient sound volumes, all while protecting you from harmful gunshot noises.
Tactical Sound Control™ enhances your hearing by up to x8, while protecting you from high-impact noises in under 2 milliseconds.
SafeMax Technology™ limits volume output to 85dB for all-day, damage free listening.
20 NRR Tested and approved to ANSI s3. 19-1974.
2 x AAA Battery Powered with up to 300 hours of situational awareness (included).
IPX4 Durability for sweat and water resistance.
Lightweight Design at 289g, ISOTunes Sport Defy Slim Basic weighs 100g less than the industry standard.
3.5mm audio input socket.
Auxiliary cable to attach an MP3 player or mobile phone
Green and black in colour