These true wireless earbuds feature CVC 8.0 noise cancelling that allows you to tune out ambient room noise and focus on what is important to you. Qualcomm aptX supports a truly wire-free listening experience, with robust connectivity when making calls and listening to music, an easier pairing experience and longer battery life for the earbuds. The charging case provides an additional 500 mAh of charging power to allow for a total usage time of up to 40 hours. Bluetooth 5.0 allows these wireless earbuds to communicate as Bluetooth Low Energy devices, providing longer battery life for the listener and a stronger signal for better stability. Nano coating on the internal electronics is designed to be impervious to water, sweat or rain. While they are not submersible, they will hold up to the elements and support your active lifestyle.