The Green Lion Kavala Wireless Earbuds are designed to provide a perfect listening experience. They come with a variety of features, including multi-function touch controls and hands-free calling capabilities, that make them convenient and easy to use. With the help of the FTD chipset and Bluetooth Version 5.2, the earbuds bring a stable connection with a distance of up to 15 meters. They also have a powerful 40mAh battery in each earbud, and the charging case can provide an additional 3 charges. Thanks to 5 hours of talk time, 4.5 hours of music time, and a quick 90-minute charging time, you're always ready to use the earbuds. Plus, the remarkable 125 days of standby time means you don't have to worry about them running out of battery.