The Nexus iStim is a contemporary sexual stimulation unit that uses gentle electrical impulses to awaken, enliven, and excite nerve endings through the skin. The erogenous area contains more nerve endings than any other part of the body, so when electro-stimulation is used on the genitals, sensation is heightened allowing for the most powerful, intense orgasm you may ever have.

The iStim was exclusively created to work with Nexus toys including the Nexus C-ring, Glide, Neo, Titus, Excel, and Vibro. However, if you do not purchase these accessories, your new electro-stimulation kit includes four electrode pads that you can place directly on the skin.

When using the electrode pads, the provided instructions discuss how to apply them for solo use. While this particular unit provides dual channels so that two users may experience pleasure simultaneously, it is advised that neither partner touch while using their iStim unit together. Other precautions to take are never to place the electrodes above the waist, particularly the breast/nipple area, because the electrical pulses can interfere with the rhythm of the heart. Also, never use silicone lubricant with this device as silicone is an insulator and will reduce conductivity. Be advised that anyone that is pregnant, suffers from heart disease, has metal pins or plates in their body, or suffers from epilepsy is not recommended to use the iStim.

How the Nexus iStim works is that the electronics of the unit create electrical impulses that are sent to the body along a set of wires through the chosen conductive attachment and to the skin. The chosen attachments can include the electro pads, a cock ring, or g-spot and p-spot toys. This particular unit offers twin channels, LCD display, and is controlled by an 8 bit micro computer that is powered by a 9 volt battery. The user is able to adjust the width (size of the area covered by the impulse on the body), the frequency (time between each individual pulse), and intensity (the strength of an impulse) of the unit.

The iStim offers seven preset programs of stimulation which users can scroll through with the "Mode" button. Some of the programs are; B (Burst Mode) which contains single bursts of up to 10 individual impulses that are sent in a fixed pattern set by the device. The user is also able to control these separately by using the "Rate" button. MR (Modulation Pulse Frequency) offers a pulses that will decrease continually by 50% each time and then the program will restart the cycle once the lowest frequency has been reached. And SDR (Strength Intensity and Frequency Modulation) features the increase and decrease of both the pulse intensity and pulse frequency. These occur within a cycle of 6 seconds and as the pulse intensity increases, the pulse frequency decreases, etc. Besides these pre-programmed modes (among 4 others not discussed within this review), you can also set the unit manually.

Once you become accustomed and comfortable with the instructions, locate the lead wires provided with your new unit. Insert the plug end of the wire into one of the jack sockets located at the top of your iStim and then attach each wire to the electrode which can then be placed directly onto the skin. If using the iStim with a compatible Nexus toy, remove the stainless steel roller ball located on the perineum stimulator. With your unit off, clip the provided attachment into this now open space and push the lead from the iStim unit into the hole underneath so that it makes direct contact with the attachment.

Nexus advises users to follow a simple clean and care guideline of both your skin and your iStim unit.

Clean your skin where the electrode will be applied with mild soap and water and make sure it is dry before you apply the electrode pad. Trim any excess hair at the application site, smooth out your skin (but do not pull it too taut), and place the pad so that it lays smooth and evenly.

To clean your unit, wipe it with a damp cloth moist with antibacterial soap and water, making sure to not immerse it in water. Apply a drop of cool tap water (never distilled) to the adhesive area of the electrode pad and leave to dry. Reuse all the original plastic bags that come with your unit for storage and keep all parts within the provided plastic case.

If you're looking for the 'next generation' in both sexual and electronic stimulation, the Nexus iStim is a wonderful foray into the exciting and unknown.

I received the Nexus iStim sans any Nexus compatible toy, so I was only able to experience the electrode pads. The diagram in the booklet showed both thighs with one pad placed on the mid thigh and another the upper thigh (a few inches away from the vagina). With the unit I experienced sensations that ranged from tickles to slightly painful pricks, I never experienced any incredibly negative shocks which was what I had originally feared.

Unfortunately, when using just the electro pads, the unit did not bring me closer to orgasm nor intensify my eventual orgasm. I also did not experience vaginal contractions or excessive stimulation, however, I'm absolutely dying to try the iStim with a Nexus compatible toy because what I felt on my thighs could be truly amazing with a toy placed directly inside of my vagina or anus.

How the electro pads work for males are completely different. The four pads are placed directly on the penis. Every time my husband used the iStim, I could visibly see his penis twitch and could audibly hear his moans. He certainly had a much better experience with the iStim than I did.

The device was easy to operate and the storage box is an unassuming, hard plastic case that looks like something that would store a socket set. This is without question a luxury item that delights the Technosexual in each and every one of us. Whether couples are mild or wild, this is something that could truly work for everyone. These particular devices are also used in many medical practices to help with blood circulation, reduce physical pain, increase your body's product of endorphins, and aid in muscle relaxation.

What happens is that the unit sends gentle electrical pulses to your nerves, telling them to contract and then relax, as if the message was coming from your brain. If you've never used a TENS unit, you will be amazed, shocked, and probably laugh more than your fair share of times.

If you're looking for unexplored territory or the "next" thing, this will without a doubt, fill any voids you may be experiencing in your sex life.
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Instructions for Manual Use:

Simply press the "Mode" button twice to set the device into M mode, this allows you to set the pulses to your desired frequency/width, etc.

To set the pulse strength, turn the "Amplitude" dial clockwise until it clicks. Turing the dial clockwise will increase the strength, while during it counter clockwise will decrease the strength. This dial also serves as the On/Off control for the unit and channels.

To set the pulse width, use the "Width" control- the button with the upward arrow will increase the pulse while the downward arrow button will decrease the width.

To set the pulse frequency, use the "Rate" button- the upward arrow will increase the pulse frequency while the downward arrow will decrease the pulse frequency.

To set the duration of the cycle simply press the "Time" button to scroll through the different time settings. There are size programs with a fixed duration of 10-60 minutes, once set, the timer shows on the LCD display. If you choose the program to set the duration to continuous the timer setting will show as empty on the display.