EVERY ITEM WILL BE SHIP OUT BY THE SAME DAY!!! 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. 4. 2500mha large capacity lithium battery, 3 hours stand by. 5. With over-protection, overheat protection and other safety protection devices, safe to use. 6. Suitable for recovery after sports fatigue, rehabilitation after a sports injury, pain relief during the convalescence period of surgery, as well as reducing inflammatory reaction. Package: 1 x Massage Gun 4 x Massage Head 1 x Power Charger Specifications: Power Charger --Rated input:110~240V 50/60Hz 1A Battery --Rated Voltage: 24V DC --Type: Li-ion --Capacity:2500mAh --Working Hour: 2 Hours