Specification PlugUS Plug EU Plug Option ColorRed Black Silver Blue Option MaterialABS PlasticVoltageDC 7 4VRated InputAC 100 240V 50 60HzPower22 4WBattery Capacity 3000mAhDuration Of Endurance 5 8 HoursGear Adjustment 6 Gears AdjustmentNumber Of Massage Heads4SizeApprox 24x 17cm 9 45x6 69 Effects Reduced recover time Increased blood flow Clears lactic acid Releases muscle knots Breaks down scar tissue Increased range of motionFeature 6 gear speed regulation Ergonomic grip can minimize the external force High frequency vibration dissipation of fatigue deep massage relaxation of muscles alleviate pain Strong noise reduction motor multi ventilation slot cooling system fast heat dissipation and high performance Customized ergonomic massage head can provide comfortable massage experience while reducing the damage to bones and collaterals 4 kinds of massage head it can activate the muscles stimulate blood flow greatly reduce muscle recover time relieve pain and relax from head to toe Package Included 1 x Muscle Massage TherapyGun4 x Interchangeable head attachments 1 x Charger