Wires had their heyday with the telegraph and telephone, but these days we avoid them as much as possible. To help with the transition Samsung introduced the Level Link - a small Bluetooth fob that can wireless audio stream to anything from headphones to cars. The idea is pretty simple - a switch tells the Level Link if it's transmitting or receiving, then you just have to plug in the old-fashioned 3.5mm audio jack. When acting as a receiver, it lets you stream audio from sources that lack Bluetooth functionality - your favorite corded headset or your car's stereo (plug the Link into the AUX input). The transmitter functionality has potential too - you can watch TV with headphones but without cables. Check out the infographic Samsung has come up for some more...
Source: http://www.gsmarena.com/ideas_infographic_four_ways_to_use_the_samsung_level_link-news-13650.php
