Designed for music listening and managing calls in high-noise environments, Plugfones' Liberate 2.0 Wireless Bluetooth Earplugs & Earphones combines the best that earphones and earplugs have to offer, plus a noise-cancelling in-line mic. The results is hearing protection that allows you to enjoy music and take calls in the noisiest work environments. And with Plugfones Liberate 2.0 wireless design, you can pair these earphones with your smartphone so you can talk and listen freely at a distance, with no cords to get yanked or tangled. Note: For environments with high levels of noise, it may be necessary to use over ear protection such as earmuffs in conjunction with Plugfones products. | Plugfones Liberate 2.0 Wireless Bluetooth Earplugs & Earphones in One