The ISOtunes LINK 2.0 is a Bluetooth earmuff designed for professionals seeking effective hearing protection and high-quality audio in noisy environments. It offers a Noise Reduction Rating (NRR) of 25 dB, ensuring compliance with ANSI, OSHA, and NIOSH standards. The earmuff features memory foam ear cushions and a vented headband with a comfort foam attachment for enhanced comfort during extended use. With up to 50 hours of battery life on a single charge, it supports prolonged work sessions without frequent recharging. The LINK 2.0 is also IPX4-rated, providing resistance against sweat and water. Additional features include Bluetooth 5.0 connectivity for seamless streaming and calls, a noise-isolating microphone for clear communication, and SafeMax Technology, which limits volume output to 85 dB to protect hearing. The earmuff is compatible with an optional boom microphone (sold separately) for improved call clarity in loud environments. The package includes a USB-C charging cable.