Zeb-Duke is a wireless headphone with a mic that is an up on style with comfortable ear cushions, adjustable headband, and RGB lights. Inline Remote : YesSpeaker Impedance 32Frequency Response 20Hz - 20kHz.Bluetooth works in range of 10 m only without obstaclesCharging time 2hrsPlayback time 60 hrs*Talk time 60 hrs*Wireless BTVoice assistant supportAUX FunctionAdjustable HeadbandMedia/Volume controlCall FunctionBuilt-in Rechargeable Battery