The Volantis True Wireless Earbuds feature the latest technology in Bluetooth 5.0. Simply remove the True Wireless Earbuds from the case and they’ll automatically power on and sync to each other. When you’re done with your True Wireless Earbuds place one or both back into the case and they’ll automatically power off. The charging case is made from antimicrobial material that prevents dangerous germs from growing. The case is effective against protecting 99% of bacteria and virus microorganism tested from growing. Inside of the case positioned near the earbuds is a built in UV-C light to sanitize your earbuds while charging. The UVC light kills 99% of the bacteria and virus microorganisms tested. Built in microphone. Playback time at max volume: 3hrs. Charging Time: Earbuds 1.5hrs, Case: 2hrs. The case will charge the earbuds 2.5 times. Available for shipment within the United States (including Alaska Hawaii & Puerto Rico). Not available for export.