Advanced Active Bluetooth Earmuffs designed for enhanced listening Bluetooth Dual Connect feature enables simultaneous wireless connection to your mobile device for calls and media while maintaining safety. Removable noise-cancelling boom microphone guarantees clear voice transmission in loud settings. Equipped with level-dependent microphones and Active Listening technology to improve environmental awareness Integrated sound level limiter maintains audio at or below 82 dB for hearing protection Large 1000mAh battery Up to 30-hour runtime in active mode 1 meter Type-C USB charging cable included IP54 rated, protection against splashing Weight: 766 grams Materials: Headband: PU/ABS Cups: ABS/Nylon/PU Foam Keypad Material: Silicone PIP Protective Industrial Products offers a comprehensive selection of hand protection to suit various needs. From protecting against cuts and abrasions to safeguarding against chemicals and heat, PIP Protective Industrial Products is the top choice for your hand protection requirements. Trust the experts and prioritise your hearing safety; PIP Protective Industrial Products have specialised gear for maximum protection and comfort to suit your needs!