Police Freedom Of Sound I Earbuds 8mm Black IPX4Unleash freedom with the POLICE black Freedom of Sound (FOS) I earbuds, offering a secure fit, crystal clear calls, and crisp highs and deep bass. With noise isolation technology and up to 6 hours of battery life, you can enjoy uninterrupted audio wherever you go. The earbuds feature Bluetooth 5. 3 for seamless pairing and dual microphones with noise reduction for crystal clear calls. The music adapts to the changing surroundings with adaptive sound