Cable lengthcm1m materialplastic typeheadband general usemobile phone cellphone functionwith microphone monitoring hi fi noise cancelling sports gaming fm radio volume control dj communicationwireless bluetooth connectors35mm memory capacitytf card support speaker diameter40mm speaker sensitivitydb105db speaker frequency response20 20000hz driver typemoving coil sound channel20 bluetooth versionv40 operating rangem10m standby time hours8