Dr Pen M8S (Wireless) Cordless SAHPRA Approved DevicesThe new Dr Pen M8s Features: Better control the working hours Intuitive low battery warning The number of speed flashes slowly J when the battery capacity 10% left Flashes quickly The finest needle gauge pin cartridges Adjustable needle depth The needles have an arc edge for improved efficiency A powerful motor up to 16,000RPM 6 speed control Unleash the natural healing power of your skin with the Dr. Pen M8S. This micro needling pen stimulates the