How long does the battery last? Dr. Boss 4 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 Effects of Deep Muscle Stimulator on the perception of pain and blood flow in homosapiens. by Dr. Boss 4 years ago Post-Exercise Muscle Soreness – British Journal of Sports Medicine by Dr. Boss 4 years ago Anxiety – International Journal of Neuroscience by Dr. Boss 4 years ago