It generates electrical pulses moving through the skin to nearby nerves to block the bodyâs pain signal to your brain.
[Adjustable Timer] The timer allows you to set a time of between 10-60 minutes with the default set to 20 minutes.7 pounds Warranty : 30 days parts warranty provided by Genkent. TENS Unit Electronic 36 Mode Dual Channel Muscle Stimulator Massager Pain Relief Feature [Independent Dual Channel Tens Machine] You can set separate modes and intensities for channel A and channel B. Made in China What s more the built-in powerful rechargeable lithium battery can be used continuously for 20 hours.