Touch control touch-sensitive sensors on the ear cups make it easy to control volume, music playback and calls with the tap of a finger. freedom of movement and maximum compatibility lossless data exchange and fast connection through the innovative combination of bluetooth, nfc tuning and aptx and aac encoding. additionally, harman kardon soho headsets offer a 2.5mm jack connector and a micro usb port for charging. stunning design harman kardon soho combines high quality leather with bright stainless steel. features harman kardon branding operation by tapping on the ear cup usable with bluetooth, nfc or jack plug padded frame and ear cups with faux leather stainless steel applications space-saving design by folding and unfolding function size adjustable crystal clear treble and optimal bass by 30mm speaker and neo signal converter color: white technical data system frequency response: 20hz~20khz frequency response: 20hz - 20khz impedance: 32 ohms sensitivity: 10db - 1khz/1mw included in delivery: harman kardon soho headset case charging cable, connectors: micro usb to usb connection cable, connectors: 3.5mm to 2.5mm instruction manual warranty card weee notice safety notice gift box