Professional massager is innovative from Moxedo. It features 4 different adjustable massage speeds (1800rpm, 2200rpm, 2600rpm, and 2850rpm) 4 separate massage head attachments can help you relieve any back pain, cervical spine pain, muscle stiffness, and body fat. Each massage head is specialized in relieving pain in specific parts of the body. The battery capacity is 800mAh and can be charged with a Type-C cable and lasts up to 5 hours.