ISOtunes IT-21B PRO 3.0 Bluetooth Hearing Protection Earbuds

The ISOtunes IT-21B PRO 3.0 is built for the toughest jobsite conditions, delivering upgraded communication technology and maximum durability in ISOtunes’ best-selling PRO design. Engineered for industrial and trade professionals, these Bluetooth hearing protection earbuds provide certified noise reduction, long battery life, and rugged construction that stands up to solvents, extreme temperatures, dust, and water. Featuring the latest Bluetooth 5.4 technology with Low Energy (LE) and Auracast support, the PRO 3.0 keeps teams connected while maintaining OSHA-compliant hearing protection. The ISOtunes IT-21B PRO 3.0 is available at Kooy Brothers Equipment Ltd. located at 1919 Wilson Avenue in Toronto, Ontario.

Features

• ANSI-Rated 27 dB Noise Reduction (NRR) | CSA Class AL

• SafeMax™ Technology limits volume to 85 dB (OSHA compliant)

• Bluetooth 5.4 with Low Energy (LE) & Auracast

• Dual Pairing Capability and 2-way radio compatibility

• Up to 20 Hours Battery Life for all-day performance

• Fast Charge Feature – 10-minute charge provides up to 2 hours of use

• USB-C Rechargeable

• MIL-STD 810H Tested for shock resistance

• IP67 Rated – Dustproof and waterproof

• Aramid-Reinforced Wires for enhanced durability

• Redesigned Ear Hooks & TPU Controller resistant to solvents and extreme temperatures

• Custom-Tuned Full-Range Dynamic Drivers for high-fidelity sound

Specifications

• Model: IT-21B

• Noise Reduction Rating (NRR): 27 dB

• Compliance: ANSI Certified | CSA Class AL | OSHA Compliant

• Connectivity: Bluetooth 5.4 (LE + Auracast)

• Battery Life: Up to 20 hours

• Fast Charge: 10 minutes = 2 hours runtime

• Charging Port: USB-C

• Ingress Protection Rating: IP67

• Durability Standard: MIL-STD 810H Tested

• Product Type: Bluetooth Hearing Protection Earbuds