massage gun muscle deep relaxation - [upgrade] powerful handheld tissue massager gun, cordless muscle stimulation vibration device, rechargeable massage device with adjustable 6 speed variation ... booster </p>booster pro 2 portable massage device </p> </p>the booster pro 2 is a cordless vibration massage device that <br /> -helps relieve muscle soreness and stiffness / <br /> -improves range of motion / <br /> -promotes circulation / <br /> -accelerates warm up and recovery. </p> </p>designed for athletes and fitness lovers, it would be your dearest mate among all your fitness gears. no matter what you are doing, <br /> basketball / baseball / football / running / crossfit / triathlon / marathon / powerlifting / weightlifting / bodybuilding / strongman / swimming etc. , <br /> it helps you warm up and get ready before your game, and helps relax and recover afterwards. </p> </p>we hear the complaining about some similar products (the most famous ones would be hypervolt and theragun), which is mainly about <br /> -too much noise, <br /> -too weak/too strong, <br /> -poor battery life. <br /> and we are here to solve these issues. </p> </p>equipped with our new high-torque motor featuring new noise reduction technology, the booster pro 2 is able to deliver powerful strokes (range from 1800 to 3400 percussion/mins), yet contains the noise in a very low level. there are 9 speed settings for all the different people and their various needs. whatever level of stroke you are looking for, we got you covered. </p> </p>we understand that you guys are busy with all the beautiful things in your life, and don't want to be bothered by the charging issues too much. hence, we put high volume battery in pro 2, which extends the battery life to at least 3.5 hours per charge. if 20 minutes was used in each session, you can use it for 10.5 sessions per charge, which would be quite enough for one week! </p> </p>and we always believe in offering great value to our customers, <br /> -a free case <br /> -5 massage heads <br /> would always be included in the package. </p>