Description BOOSTER Mini Electric Muscle Massage Gun Four Speed Adjustment Pocket Neck Muscle Massager Low Noise Pain Therapy Body Massage GunFeature Large Capacity BatteryIt adopts 2500mAh lithium battery and supports type C fast charging 10 minutes per day you can use it consistently for 90 days no longer worry about the power Four Speed Levels AdjustableFirst speed level 1300 rollers to wake up muscle Second speed level 1800 rollers to relax muscles Third speed level 2500 rollers to lactate decomposition Forth speed level 3200 rollers to deep massage Elegant Figure With Strong PowerIt is equipped with 38mm high power brushless motor and the power can reach up to 70W 50 hits per second with 5kg massage strength bring you an excellent experience Noise Reduction Ultra quiet TechnologyIt adopts floating motor filtering the vibration generated when the machine is running Duplex bearing drive makes the machine run more quietly 38mm high power brushless motor can explode strong power and keep silent running at the same time Lightweight All metal body minimalism design made of aerometal The weight is only 500g and easy to handheld or carry on Small size only 14 2mm 500g convenient for daily use and travel You can put it in your pocket Specifications Body Material MetalColorBlack Sky Blue Pink RedGear4Rated Voltage5V 2ARated Power 70WPower Supply USBBattery2500 2900mAh 12V Type C Battery Life6 16 HrsMotor37 5mm 70W 5KG Under PressureStroke6mmMotor Sp