Does anyone know if by extending the length of the wire to the cold laser wristband it would lessen the effectiveness of the treatment? And if not what kind of extension plug I could use? Penny Yu July 31, 2016 14:15 Follow No, I don't think it will less effective.And it will be 3.5mm stereo to stereo male to female adapter. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.