How long does the battery last? Dr. Boss 6 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 Migraine Headaches – International Journal of Neuroscience by Dr. Boss 6 years ago Fatigue and Sleep Disorders – Journal of Korean Academy of Nursing by Dr. Boss 6 years ago Post-Exercise Muscle Soreness – British Journal of Sports Medicine by Dr. Boss 6 years ago