ISOtunes CALIBER are advanced electronic hearing protection earbuds designed for shooters and outdoor users who demand both safety and performance.

Featuring Tactical Sound Control™, they amplify ambient sounds while instantly reducing dangerous impulse noise like gunshots. This allows you to stay aware of your surroundings without compromising hearing protection.

The true wireless design ensures maximum freedom of movement, while the IP67 rating guarantees full resistance to water, sweat and dust.

With Bluetooth 5.2, you can stream music or take calls and even connect to two devices simultaneously for seamless switching.

Key features

Certified 32 dB SNR hearing protection

Tactical Sound Control™ technology

Bluetooth 5.2 with dual-device connection

Fully wireless design

Up to 13 hours battery life

Charging case with additional charges

IP67 waterproof & dustproof

Noise-reducing microphone

Siri / Google Voice compatible

SafeMax™ (limits volume to 82 dB)

Technical specifications

Hearing protection: SNR 32 dB

Tactical Sound Control: Yes

Max output: 82 dB

Bluetooth: Yes

Version: 5.2

Battery life: up to 13 hours

Standby: 60 hours

Auto shut-off: 2 hours

IP rating: IP67

Battery type: Lithium-ion

Earbud weight: 8 g

Package contents

2 × CALIBER earbuds

1 × portable charging case

3 × pairs of eartips

1 × USB-C charging cable

Documentation