The Level U Pro Wireless Headphones with Ultra High Quality Audio technology delivers a true 24bit digital audio experience with up to 2x wider frequency range than standard CD quality wireless sound. Combined with noise isolating ear gels, experience vivid, concert hall sound. The ergonomic around the neck design of Level U Pro provides a comfortable way to keep your music and calls accessible. Ultra soft, ergonomic ear gels and splash and sweat resistance make it ideal for the active listener. Control call and music functionality intuitively by way of smart magnets in the earbuds, start pause music and answer end calls when magnets are connected or disconnected. NOTE: Try and troubleshoot by disconnecting the Bluetooth and charging overnight. Once the device is fully charged try and re-connect the unit to see if it works properly.