Tough day at work? Relax your muscles with this Electrical Stimulation Acupuncture Pen Perfect tool for targeting sore areas of your joints and muscles Includes 3 different pen heads Has 9 different power settings LED display shows the power level Compact design is ideal for taking it on the go Requires 1x AAA battery (not included) Measures 21.5 x 9.5 x 4cm Save 50% and soothe away muscle stress with this Electrical Stimulation Acupuncture Pen