The LG Tone-free FN7 Bluetooth Earbuds come with a UVnano charging cradle that uses UV NanoTechnology to eliminate up to 99.9% of bacteria, making them hygienic to wear. With features, such as Meridian Audio technology and Specialised Active Noise Cancellation, these earbuds ensure clear and rich audio delivery at all times. The earbuds and charging cradle can offer up to 21 hours of battery backup, ensuring that you can stay entertained for almost an entire day without any worries of repeated charging.