This electronic acupuncture pen is effective in relieving your pains without using needles
it has multiple usages and replaceable massage heads with different uses and advantages
this is easy to use and effective, you can also bring this around with you
voltage: dc1.5v/output: 3.7v;300ma+/50ma/ pulse frequency: 0.01-300hz
pulse width: 100us-320us/output amplitude: 500 ohm load/ voltage: 3.3v
size: 18cm or 7.1”/ material: composite material