Guardio Freebird BT are the ultimate hearing protectors for professionals who demand the best possible protection, comfort and sound quality. These hearing protectors use Bluetooth v5.1 technology for hands-free calling and music streaming, with Qualcomm's patented apt-X technology ensuring superior sound quality. The rechargeable battery offers up to 120 hours of runtime, ensuring long-lasting use without interruption. The Freebird BT has a smart design that makes it easy to switch between headband and helmet mount use, and is tested and approved with several leading helmet brands. With Bluetooth multipoint functionality and built-in earpiece, you get a comprehensive solution that combines safety and functionality. The packaging includes charger, headband, helmet mount and a storage bag, making Freebird BT the perfect choice for construction and industrial professionals. Choose Guardio for innovative and science-based safety that makes a difference in the workplace.