Quiet move compared to other massage guns.There are 6 dedicated high-quality motor intensity settings that allow you to focus on deep tissue work, increasing circulation, or navigating every muscle of different shape, size and function.4 massage heads revitalize muscles, stimulate blood flow, greatly reduce muscle healing time, relieve pain and relax from head to toe.1- Ball head: It is for a muscle massage2- Bullet Head: To massage joints3- Head of the fork: to massage the spine4- Flat head: to relax the entire bodyThe replaceable massage head allows your body to enjoy a multi-angle and versatile massage of special muscles and parts of your body.You can adjust the angle freely by pressing the button.Massage helps relieve tension, relieve pain, relax muscles, relax all muscles, de-stress, and energize the whole body.Non-slip comfortable rubber grip for safe control and use, and the ergonomic design can reduce the feeling of slack.Suitable for home, office and travel useHigh frequency of vibration, reduce fatigue.Type: Sports Vibration Massageblack colorVoltage: 110-220 volts 50/60 HzCharging volt: 7.4-12VSpeed: 2100-3600rpmNumber of speeds: 6 speedsWeight: 1.4 kg / 3.0 lbsManufacturer Number: HG-320Brand: OtherPower source: batteryModel Number: HG-320Type: multi-useMassage method: vibrationDoes this product require a battery or contain a battery: No.Is this product hazardous or containing hazardous, toxic or waste materials subject to regulations related to transportation, storage or disposal? : NoExternal Product ID Type: Not Available