The ISOtunes AIR DEFENDER is a lightweight Bluetooth earmuff designed to provide hearing protection and audio functionality in noisy environments. It offers a Noise Reduction Rating (NRR) of 24 dB, ensuring effective noise isolation. The earmuff features memory foam ear cushions and an adjustable headband for enhanced comfort. With up to 40 hours of battery life, it supports extended use without discomfort. The AIR DEFENDER is also IPX4-rated, offering resistance against sweat, water, and dust. Additional features include Bluetooth 5.0 connectivity, a noise-isolating microphone for clear calls, and SafeMax Technology, which limits volume output to 85 dB to protect hearing. The package includes a charging cable and an auxiliary cord for versatile listening options.