How long does the battery last? Dr. Boss 5 years ago A How long does the battery last? Posted on June 15, 2020 It supports more than 4-6 hours using time, amazing product Category: General Questions Permalink Related posts She said DRFUJI DMS is the best by Dr. Boss 5 years ago High Blood Pressure – Journal of Bodywork and Movement Therapies by Dr. Boss 5 years ago Lower Back Pain – International Journal of Neuroscience by Dr. Boss 5 years ago