Package Included: 1 x Massage Gun 4 x Massage head Features: 1. Including 4 different massage head, meeting various demand. 2. Effectively reduce muscle stiffness and sore pain, increasing blood circulation. 3. 6-speed adjustment, you can choose that you fit. 5. 2000mha large capacity lithium battery, 3 hours stand by. 6. With over-protection, overheat protection and other safety protection devices, safe to use. 7. Suitable for recovery after sports fatigue, rehabilitation after sports injury, pain relief during the convalescence period of surgery, as well as reducing inflammatory reaction. Power Charger --Rated input:100 240V 50/60Hz 1A Battery --Rated Voltage: 8.4V DC --Type: Li-ion --Capacity: 2000mAh --Working Hour: 2-3 Hours Massager --No-load Speed: 3200r/min --Weight: 1.5kg