Build with a 40mm driver, Saber 505 delivers rich and deep bass. Soft breathable ear cushions for long listening sessions. Adjustable headband adapts comfortably on your head.SABER 505 has extra pair of ear gels of diff color , Power on/off, Volume increase/ decrease with Multifunction Key, Listen to your fav playlist consistently for 8- 10 hours and standby time for 3 days. DUAL PARING with 2 devices and announces the incoming call numbers which you can take with HD mic . Please Switch-off the Bluetooth mode of headphone when connecting to AUX Cable also MIC will not work with Aux cable, MIC will work only with Bluetooth Mode.