Marshall Monitor II Active Noise Cancelling Over-Ear Bluetooth Headphone with Mic, Black REFURBISHED Provides professional work out data

Provides professional work out data including VO2 Max

Mount It Anywhere: A versatile magnetic design with a set of handy accessories such as the Magnet Pendant and Easy Clip

Call and Music Controls on Earcup

you too can record vertical videos and play back in full screen

Power Source Electric Socket

Marshall Monitor II Active Noise Cancelling Over-Ear Bluetooth Headphone with Mic, Black REFURBISHED Provides professional work out dataFeatures Active noise cancelling technology that continuously pinpoints and measures ambient noise in order to block out the things you dont want to hear. Now you can focus on what matters most the music. Up to 30 hours of wireless playtime with active noise cancelling and 45 hours without noise cancelling Collapsible design and compact size makes the ultimate travel companion Multi directional control knob play, pause and shuffle your music, Adjust