ISOtunes
Caliber earbuds

The Freedom You Want. The Protection You Need.

CALIBER is a Bluetooth shooting earbud that packs a big punch in a little package. This electronic earbud is completely dust, sweat and waterproof, while offering up to 13 hours of battery life 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.

ISOtunes Sport CALIBER comes with three pairs of ISOtunes TRILOGY Short Eartips (S, M, L), three pairs of ISOtunes TRILOGY Tall Eartips (S,M,L), 1 pair of silicone eartips, a charging case, charging case lanyard, and USB-C charging cord.