Users Friendly Design:Come with a remote control for super easy operation, large-capacity battery, this device can support 2-hour continuous using.Buttons Functions:1) Auto mode: press to enter auto massage mode.2) Pulse mode: press to enter pulse massage mode.3) Knead mode: press to enter kneading massage mode.4) Beat mode: press to enter beating mode.5) Acupressure mode: press to enter acupressure mode, there are 9 acupressure intensities adjustable by pressing [+] and [-] buttons.6) Hot compress mode: press to turn on or off the hot compress. Only the top 2 electrode pads can give off heat.Product parametersProduct name: cervical vertebra massagerRated power: 3WRated voltage: 5VMassage points: 4Massage stalls: 9 stallsMassage method: pulse, thump, knead, acupressureMode switching: automatic, pulse, thump, knead, finger pressure