1) Enjoy High Quality Untethered Music from Custom Tuned 40mm Drivers and Passive Noise Cancellation plus Foamed Earcups. Don’t miss any musical note with clear treble, mids and decent bass 2) Bluetooth 5.0 and AUX IN Audio for both Wired and Wireless Music 3) Crafted aesthetically with single tone colors and adjustable headband, Muffs Plus has premium housing with comfortable