Description Crafted from metal and black vinyl, the headphones feel really substantial. Part of that helps establish a sense of reliability in the hardware, but there’s also a significant aesthetic component to it, and there’s definitely something subtly aggressive about the design here. Product Specification: Model Name/Number: Monitor Brand: Marshall Color: Black Design: Over The Head Communication: Wireless Weight: 0.27 kg Battery Charging Time: Charging Time – 3 Hours Battery Lifetime: Play Time – Up To 30 Hours Sensitivity: 92 dB SPL Frequency Response: 20Hz-20000Hz Impedance: 28 Ohm Package Includes: Monitor Bluetooth headphones Carrying bag Male-to-male 1/8th-inch stereo cable Micro USB charging cable
