Feature 6 adjustable speed levels can be enjoy 1 The muscle massager can help the user relieve muscle stiffness and soreness increase blood pressure improve the overall health of the bodys soft tissues moreover it can prevent fascitis which is a kind of painful and difficult 2 Long press for 3 seconds to shut down and tap once to increase speed 3 4 Different Shaped Massage Heads4 This massager is equipped with 4 different shaped massage heads to help the user to relax different body parts 5 U Head Relax and shape all muscle parts6 Cylindrical Head Deep tissue such as joints palms and plantar 7 Flat Head Neck spine and achilles tendon 8 Spherical Head Arm waist hip thigh calf and other big muscle groups 9 The user can change the massager speed as needed 1800 to 3200 percussions per minute How to EnjoyCharge up your massager and prepare to unwindSelect and install your preferred massage headAdjust frequency anywhere from gentle to intenseApply targeted percussion to any muscle any time Specifications Massager Size 8 7in 22cm 8 7in 22cm 2 6in 6 5cmCharging Voltage 110 220VCharging time 2 3 HoursWorking time 5 6 HoursBattery capacity 2000mAh6 level speed 2100 rpm to 3600 rpmPlug EU US AU UK Plug Optional Package Included 1x Muscle Massager 4x Massage Head1x Power Charger1x User Manual1x Carton BoxMore details