We know that Samsung will not reveal Galaxy S8 at MWC but in the late March. Apparently this isn't going to be the only release - the company also plans to launch Active Noise Cancelling wireless headphones, an update to the already well-known wired Samsung Level in ANC headphones. The Korean manufacturer promises reducing of ambient noise by up to 20db for a "more immersive listening experience". The headphones will also have a new feature called "Talk-In Mode" that enables listeners to hear outside sound when someone calls their name. According to the source the Level In ANC...
Source: http://www.gsmarena.com/samsung_to_launch_new_wireless_noisecancelling_headphones_along_with_galaxy_s8-news-23061.php