ISOtunes PRO IT-21 Noise-Canceling Bluetooth In-Ear Earbud — Orange, IP67, 27 dB NRR

The ISOtunes PRO IT-21 in-ear Bluetooth earbud (Orange) is built for casual listening with rugged, safety-focused engineering. Its IP67 rating makes the earbud dust-, water-, and sweat-proof for dependable performance in demanding conditions. With a 27 dB Noise Reduction Rating (NRR), the design provides effective passive sound isolation. The earbud complies with OSHA and NIOSH standards for hearing protection and incorporates SafeMax™ technology to limit volume to 85dB, reducing the risk of noise-induced hearing damage. A chrome-plated brass ear stem adds structural strength, and a background noise-canceling feature improves call clarity.