Guardio Freebird BT with Sound by Harman Kardon are the ultimate hearing protectors for professionals who want to combine top safety with an exceptional audio experience. In close collaboration with Harman Kardon, one of the world’s leading audio brands, Freebird BT has been developed to deliver crystal-clear sound and a premium music and call experience – even in the most demanding work environments. With Bluetooth multipoint, two phones can be connected simultaneously, making it easy to switch between work and private phone. The new, powerful battery provides up to 120 hours of runtime and now supports fast charging, so you are quickly ready for the next shift. Freebird BT has a smart and flexible design that makes it easy to use with both helmet mount and headband, and the hearing protector is tested and approved together with several leading helmet brands. With built-in ambient awareness and a complete package including charger, headband, helmet mount and storage bag, you get a total solution for the construction and industrial sectors. Guardio Freebird BT with Sound by Harman Kardon – for professionals who demand the best in hearing protection, comfort and sound quality. Volume, equalizer and other functions can easily be adjusted via the Guardio Connect app.