Same Great Protection. Slimmer Fit. ISOtunes DEFY Slim BT 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 BT allows you to align your sights with ease without sacrificing your safety.

Features:

• Tactical Sound Control™ Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds
• AAA Battery Compatible for up to 25 hrs of Connection
• 21 NRR tested and approved to ANSI s3. 19-1974
• IPX4 Durability for dust, and water Resistance
• Bluetooth 5.0 connects, and dual-connects, devices 30+ feet
• SafeMax™ Technology limits volume output to 85 dB for all-day, damage-free listening
• Noise-Isolating Microphone for clear communication in loud environments
• Ultra Slim Profile 
• Lightweight Design at just 310g
• Includes 2x AAA Batteries and AUX Cable