Caldecott bt 49 stereo super bass bluetooth earphone music treble clear hi fi wireless earphones with microphone
Modelbt 49 materialmetal silica gel rubber plastic typein ear general usesports fitness functionhi fi noise cancelling sports gaming fm radio volume control dj with microphone bluetooth monitoring communicationwireless bluetooth connectorsusb 35mm driver typemoving coil sound channel21 bluetooth versionv41 talk timehours6hour brandcaldecott