Bluetooth Neck chain, Level u proUltra High Quality Audio (UHQA) 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, listeners experience vivid, concert hall sound. UHQA is compatible with select Samsung Galaxy devices. The 13mm Dynamic and 13mm Piezo speaker units deliver high quality, clear sound. The dual microphone noise reduction and echo cancellation reduce outside sound interference and feedback during calls. 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 & sweat resistance** make it ideal for the active listener. Control call and music functionality intuitively by way of smart magnets in the ear buds – start/pause music and answer/end calls when magnets are connected or disconnected. You can even share your music with Sound Share, a feature that allows you to share audio with a second Level U PRO, Level On Wireless PRO or Level On Wireless headset. Use your Samsung Level U PRO Wireless headphones with the Samsung Level It provides additional features such as Sound Alive (Sound Effect), Volume Monitor and Text – To – Speech when connected with Samsung Bluetooth headphones. (Some features in this app may not be supported depending on your device.) Developed by Samsung, Sound Alive is a specially tuned up sound equalizer developed to provide a richer, fuller sound by optimizing settings for a broad range of music genres. Sound Alive can be set to change automatically with each song or adjusted manually to create a more unique experience. With 25 different sound effects, including rock, pop and jazz, you can tailor your music to your various moods and musical tastes. Control volume, play/pause, track advance and phone from easy to use control buttons.