The LEVEL Over, On Series offers an organic sound, premium design and elastic cushion on the ear pad. Users can feel comfortable even after long hours of use. They feature an ergonomic design built in forms of NFC pairing with smartphones and smart touch control. Users can run them via diverse types of sliding and touch: up- and downward for volume change; right to left, or vice versa, for play back or forward; double click for play or pause; and, a long touch for S Voice, a function of Samsung smartphones. They also send alerts to users to prevent hear loss, while offering the optimal sound through active noise cancellation.