Mackie MC-50BT Wireless Noise-canceling Headphones w/BluetoothListening to music in crowded, noisy environments usually results in cranked, unsafe volume levels. But if you have a pair of Mackie MC 50BT headphones, annoying background noise becomes a thing of the past. These Bluetooth headphones are loaded with MIS wide band active noise canceling technology that listens to the world around you and prevents it from reaching your ears. Theyre loaded with custom drivers for a clear and deep soundstage; users will