Specifications Plug EU PlugVoltage DC8 4VPower 24W6 speed AdjustmentLevel 1 2100rpmLevel 2 2400rpmLevel 3 2700rpmLevel 4 3000rpmLevel 5 3300rpmLevel 6 3600rpmMaterial Plastic steelColor Black Blue Red SilverSize 225mmx220mmx50mmFeature 6 speed Adjustment High frequency vibration dissipation of fatigue deep massage relaxation of muscles alleviate pain Powerful high torque brushless motor 12MM deep shock penetrates deep muscle groups Customized ergonomic massage head can provide comfortable massage experience while reducing the damage to bones and collaterals Four kinds of massage head it can activate the muscles stimulate blood flow greatly reduce muscle recovery time relieve pain and relax from head to toe Using 8 4V lithium battery charging once can be used for 8 hours charging for 2 hours massage for 4 hours Strong noise reduction motor multi ventilation slot cooling system fast heat dissipation and high performance Six high frequency deep massages four interchangeable massage heads Ball head suitable for massaging arms waist and backU shaped head suitable for neck and spine massageCylindrical head suitable for joints and palmsFlat head suitable for joints and palmsPackage Include 1 x Muscle Massager4 x Interchangeable head attachments1 x EU Power adapter1 x Manual