top of page
  • Facebook
  • Instagram

CALIBER is a Bluetooth shooting earbud that packs a big punch in a little package. This electronic ear pro is completely dust, sweat, and waterproof and can run up to 13 hours without needing to be recharged. The completely cordless design allows you to move freely while Tactical Sound Control delivers amplified natural sound and gunshot noise reduction.


  • Tactical Sound Control Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds.
  • True Wireless Design
  • 32 SNR tested and approved to ANSI s3.19-1974
  • IP67 Durability for dust, sweat, and waterproof protection.
  • Up to 13 hour battery life with 2 full additional charges stored in the rechargeable case.
  • Automatic Power Off after 2 hours without Bluetooth connection for battery conservation.
  • Bluetooth 5.2 connects, and dual-connects, devices 9+ meters.
  • SafeMax Technology limits volume output to 85 dB for all-day damage-free listening.
  • Background Noise-Reducing Microphone for clear communication in loud environments.

Caliber Earbuds by ISOTunes Sport

    • Instagram
    • Facebook
    bottom of page