Sweat friendly and cord-free, there’s no holding back with these wireless bluetooth headphones for running and working out. The meshy, washable ear cushions and headband take moisture like a champion. A built-in swipe interface lets you cycle your playlist and pick up calls without hunting for buttons. - Sound Principle: 40 mm Handmade Drivers - Frequency Response: 10 Hz - 20 kHz - Impedance: 60 Ohm - Sensitivity: 98 dB - Max Input Power: 50 mW - Connection: Bluetooth - Colour: Black Belt