- Tactical Sound Control™ Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds.
- Ultra-Slim Profile
- 20 NRR tested and approved to ANSI s3. 19-1974.
- Lightweight Design at just 289 grams.
- Up to 300 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.
ISOtunes Sport DEFY Slim Basic comes with 2 AAA batteries and an auxiliary cable.