The Soundcore R50i NC earbuds are engineered with an Advanced Noise Cancelling system that automatically adapts to your environment and reduces noise by up to 42dB. They feature 10mm drivers boosted by BassUp technology for punchy audio, along with a Transparency Mode to stay aware of your surroundings. The innovative charging case doubles as a hands-free phone stand. The earbuds provide up to 10 hours of battery life on a single charge and extend to 45 hours total with the case.