Tap into instant wireless connectivity with the latest Bluetooth V5.0 Its 50mm dynamic drivers help pump out immersive audio all day long The mighty 500mAh battery capacity offers a superior playback time of up to 20 Hours, Charging Time : 2.5 hours, Standby Time : 180 hours, Frequency Response 20Hz-20KHz It has been ergonomically designed and structured as an over-ear headphone to provide the best user experience It comes with physical Noise Isolation feature for pure audio bliss One can connect to boAt Rockerz 550 via not one but two modes, Bluetooth as well as AUX