Pain Relief TENS Unit & Muscle Stimulator | HealthmateForever T40AB
$ 1,099.99

With a 6" large touchscreen, 40 Body Pain Relief & Massage like modes, 4 outputs and isolated AB channels, T40AB is the most professional model of HealthmateForever TENS & Muscle Stimulators.


Professional & Powerful

T40AB has the most complete Body Pain Relief & Massage like modes and functions among all HealthmateForever TENS & Muscle Stimulators.

6" Extra Large Touchscreen

Equipped with the largest touchscreen, T40AB offers you the best pain relief experience with clear icons and simple touch controls.

11 Pieces of Self-adhesive Gel Pads 

The box includes 3 different shapes and sizes of conductive gel pads(hand-shaped, large rectangle and long strip), especially designed for relieving different pain areas.


Sports, Relaxing and more. 

Separate Modes and Intensity Settings

Customize your own pain relief mode and intensity to relax different pain areas at the same time!


massage-Like modes


minute adjustable timer


levels of adjustable intensity


isolated outputs in channel A/B, both have 100% power

  • Rechargeable internal lithium battery - up to 10 hours of continuous use

  • Adjustable mode and intensity in channel A or channel B

  • Easy to read animated backlit LCD Display

  • Allows 2-12 pads to be applied to the different targeted areas at the same time

Mode list

Tuina (Push & Pull), Acupuncture, Kneading, Vibration, Tapping, Cupping, Arm Pull, Effleurage, Leg Pull, Pressure, Friction, Flicking, Back Pain, Knuckle Neck, Guasha (Scraping), Shiatus (Finger Press), Soft Tissue Massage, Thai Massage, Finger Release, Body Building, Finger Massage, Picking Up, Skin Rolling, Elbow Massage, Body Building, Shoulder, Neck, Low Back, Elbow, Hip, Ankle, Foot, Hand, Knee, Wrist, Ear, Relaxing, Sports, Deep Tissue Massage, and Combination.

What's in the box

1 FDA cleared Class II OTC HealthmateForever T40AB TENS & Muscle Stimulator

11 piece self-adhesive conductive reusable gel pads (8 hand-shaped pads, 2 large rectangle pads, 1 long strip pad)

4 sets of electrode snap-on wires (2.5mm plug)

2 sets of 4in1 leads snap-on wires (2.5mm plug)

1 USB Charger/Wall Unit 1 pads holder (international travel charger 110V - 240V)

User Manual

Warranty Card

2 Pads Holders

1 stylus for touchscreen

Tech specs

Output pulse width: 90μS ± 15%

Pulse Frequency: <100HZ

Max output amplitude: <5v (r.m.s)

Input Voltage: DC5V

Rated current: ≤ 50mA

Rated Power: ≤ .25W

2.5mm Plug

Large Screen size: 2.5" W x 4.25" L

Size: 6" L x 3.5" W x .35" T

Weight: 7.1 oz

For User Manual, please email us at

Step 1: 

Connect electrode wires with control unit.

  • This device is equipped with two isolated channels A&B. This will allow you to set separate modes and separate intensities on each channel. Before connecting the wires to the unit, decide which channel you wish to use (channel A or B). To use A channel only, connect the electrode wire(s) to output A. To use B channel only, connect the electrode wire(s) to output B. To use both A, B channels, please connect wires to all outputs. 

1. Plug the electrode wire into the device. 

2. Ensure that the electrode wires are fully inserted and secured. 

3. Repeat steps 1 & 2 to connect another wire.

Step 2: 

Connect electrode pads with wires.

1. Each wire has two leads with snap-on connectors. Snap the wire connectors onto the snap on buttons on the pads. 

2. Make sure at least one pair of pads is attached to the same wire. 

3. Ensure that the snap on connections are fastened. 

4. Remove the plastic films on the pads.

Step 3: 

Place pads on your body.

  • Place pads on the muscle you would like to treat. Place the adhesive side of pad on your skin.

Step 4: 

Turn on the control unit.

  • Push the “ON/OFF” switch.The device will start showing all icons for 2 seconds to ensure that all options are displayed properly.

Step 5: 

Select modes.

You can see some different modes on the screen. 

1. The device will automatically set to channel A, mode 1 with zero intensity. 
2. To select the mode for channel A, touch any of the modes displayed on the screen. The selected mode will blink. 
3. Press the channel switch button once to switch to channel B. The B letter will blink to indicate channel B is working. 
4. To select the mode for channel B, touch any of the modes displayed on the screen. The selected mode will blink. 
5. When changing the mode, the intensity level will automatically reset zero.

Step 6: 

Adjust timer.

  • Touch the time (number displayed) to adjust timer.

Step 7: 

Adjust intensity

  • Press the intensity “+”“-” button to set the desired intensity. 
  • Press intensity “+” button to increase the intensity.Press intensity “-” button to decrease the intensity. 
  • When switching modes, the intensity will automatically set zero. Repeat step 7 after changing the mode. 
  • As mentioned previously, this device is equipped with two isolated channels A&B. You will need to adjust the intensity for each channel separately by pressing the mode switch button. 
  • You have the option to use one channel alone or both channels

Step 8: 

Turn off the device.

  • Push the “ON/OFF” switch.

Step 9: 

Remove the pads from your skin.

  • Remove the pads from your skin softly and place them back on the provided pad holder or the protective plastic film. 
  • DO NOT remove the pads before you turn off the device.

Step 10: 

Take off the pads from wires. Unplug wires from device.

  • Take off the pads from wires. Unplug wires from device.