ISOtunes Sport DEFY Slim is an ultra-comfortable electronic earmuff, featuring superior protection and environmental awareness. 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.

• 20NRR
• IPX4 Sweat & Water Resistance
• 8X Sound Amplication
• 2ms impact noise reponse
• 300 hour AAA battery life