Body Massage with Different Pounding Heads and Rechargeable Batteryabout the productportant;">portant;font-family:Arial, Helvetica, sans-serif;">Deep penetration/low noise,New sunshine uses a low noise motor design,adjustable 5 speed;up to 3200 times per minute and no more than 60dB,deep vibration muscles,safe and reliable.portant;font-family:Arial, Helvetica, sans-serif;">Function and effect:Ease pains,massage one time for longer time relaxing.Promote circulation and improves range of motion andincreaseswarm-up and recovery.Easy physiotherapy treatment,time saving,energy saving,which is a great replacement of the human forces.portant;font-family:Arial, Helvetica, sans-serif;">5Speed Settings: Level One:1300 percussions per minute; portant;font-family:Arial, Helvetica, sans-serif;">Level Two:2130 percussions per minute;portant;font-family:Arial, Helvetica, sans-serif;">Level Three:2950 percussions per minuteportant;font-family:Arial, Helvetica, sans-serif;">Level Four:3720 percussions per minuteportant;font-family:Arial, Helvetica, sans-serif;">Level Five :4600 percussions per minuteportant;font-family:Arial, Helvetica, sans-serif;">.Combining 16mm amplitude, you can choose the suitable speed puts your body most comfort strength.portant;font-family:Arial, Helvetica, sans-serif;">4 interchangeable massages heads: 4 different massage heads for body massage. Head: mainly used for back massage;bullet:suitable for joints, anatomy and trigger points;flat head:suitable for all parts of the body,large ball head: mainly used for large muscle groups.portant;font-family:Arial, Helvetica, sans-serif;">Long time work:15000mAh rechargeable Lithium-ion battery support more than4hours using time,reduces the number of charges and extends battery life.Convenient for carrying the gym,office,outdoor,etc.