ISO Tunes Sport DEFY Slim features superior protection and environmental awareness in an ultra-slim, comfortable design. With active gunshot noise suppression, Bluetooth compatibility, and a background noise-dampening microphone, DEFY Slim allows you to align your sights with ease without sacrificing your safety.

• 21NRR
• IPX4 Sweat & Water Resistance
• 8X Sound Amplification
• 2ms Impact Noise Response
• Bluetooth 4.2
• 25 Hour AAA Battery Life
• Noise-Isolating Microphone