DEFY Slim BT Electronic Earmuffs with Bluetooth, 21 NRR, OD Green

The ISOtunes Sport DEFY Slim BT offers superior hearing protection in a slim, lightweight design perfect for shooting and outdoor activities. Featuring advanced sound control technology, it amplifies environmental sounds while instantly suppressing loud gunshot noise to keep you safe and aware. With Bluetooth 5.0 connectivity, up to 25 hours of battery life, and a comfortable, adjustable fit, these electronic earmuffs deliver advanced protection without sacrificing comfort. Durable and water resistant, DEFY Slim BT includes noise-isolating microphones and volume limiting for safe listening all day long.

Advanced Sound Control Technology

Amplifies environmental sounds up to 8x while quickly suppressing loud noises like gunshots to protect your hearing and maintain situational awareness.

ANSI-Certified 21 dB Noise Reduction Rating (NRR)

Provides reliable hearing protection by reducing harmful noise levels by 21 decibels.

Bluetooth 5.0 Connectivity

Allows seamless wireless streaming of music and calls, keeping you connected without the hassle of wires.

Long Battery Life

Powered by 2 AAA batteries, offering up to 25 hours of Bluetooth use or up to 120 hours in sound control mode for extended sessions.

Lightweight, Slim Design

Weighing just 310g, the slim profile ensures all-day comfort without bulk, making it ideal for shooting or extended wear.

Durable and Water Resistant (IPX4)

Built to withstand outdoor conditions with water resistance that protects against splashes and light rain.

Noise-Isolating Microphone

Ensures clear communication even in loud environments by minimizing background noise during calls or conversations.

Safe Volume Limiting

Limits maximum volume output to 85 dB to protect your ears from damage during prolonged use.

Adjustable Headband

Fits most head sizes comfortably with easy adjustability for a secure fit.