DEFY Slim allows you to align your sights with ease without sacrificing your safety.

Tactical Sound Control Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds.

• Ultra-Slim Profile

• 21 NRR tested and approved to ANSI s3. 19-1974

• Bluetooth 5.0 connects, and dual-connects, devices 30+ feet

• Lightweight Design at just 310 grams

• Up to 25 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

• Noise-Isolating Microphone for clear communication in loud environments

ISOtunes Sport DEFY Slim comes with 2 AAA batteries and an auxiliary cable.