Muscle stimulator Massage Gun vibrating Deep Relaxation Therapy fascia Fitness exercise Pain Relief electric massager for body Features: 1. Including 8 different massage head, meeting various demand. 2. Effectively reduce muscle stiffness and sore pain, increasing blood circulation. 3. Multi-speed adjustment, you can choose that you fit. 4. 4800mah large capacity lithium battery, 24 hours stand by. 5. Suitable for recovery after sports fatigue, rehabilitation after sports injury, pain relief during the convalescence period of surgery, as well as reducing inflammatory reaction. Specifications: Power Charger --Rated input:100~240V 50/60Hz Battery --Rated Voltage: 8.4V DC --Type: Li-ion --Capacity: 4800mAh --Working Hour: 48 Hours --Speed: 3200r/min