# KTRL — Portable Smart Patch [KTRL — Portable Smart Patch](https://www.ktrlpatch.com/) ## A different way. To feel the moment. KTRL uses controlled electrical pulses to create a rhythmic physical sensation on the skin. It is designed to add a different layer of experience to personal or shared adult private moments. Men aged 18–60 · External use · One patch, one session [Explore KTRL](https://www.ktrlpatch.com/product/ktrl-portable-smart-patch) ## Transcutaneous electrical stimulation, explained. Transcutaneous means "through the skin." Electrical stimulation can be delivered using electrodes that contact the skin and transmit electrical pulses through its surface. Its power source is built in. There is no charging, app, Bluetooth pairing or separate controller. Follow the printed guide for placement and operation. The technology describes how electrical pulses are delivered through skin contact. A mechanism alone does not establish a clinical outcome. [Read the TENS comparison](https://www.ktrlpatch.com/news/tens) ## Product purpose KTRL uses controlled electrical pulses to create a rhythmic physical sensation on the skin. It is designed to add a different layer of experience to personal or shared adult private moments. A physical sensation is not a promise of a clinical result. [Explore the product experience](https://www.ktrlpatch.com/news/how-nerves-control-erections) ## Use boundaries Switch off before removing or repositioning the patch within the same session. You may gently bend it to fit the skin, but must not fold it or bend it sharply. Do not reuse it across sessions. Separate sessions do not form a proven treatment course or promise lasting changes. [Explore single-use boundaries](https://www.ktrlpatch.com/news/continued-use-of-ktrl) ## One patch, or three? One smart patch. Two pack sizes. Choose one single-use patch or three of the same patch for separate sessions. The same single-use patch in two quantities. The three-pouch arrangement illustrates pack quantity, not a separate 3-pack box. [Choose your pack](https://www.ktrlpatch.com/product/ktrl-portable-smart-patch) ## Important use information Men aged 18–60, subject to the complete contraindications in the user guide. Use for at most 30 minutes of cumulative powered-on time in one session. Time switched off does not count; switching on again continues the same cumulative limit. Switch off before removing or repositioning the patch within the same session. You may gently bend it to fit the skin, but must not fold it or bend it sharply. Do not reuse it across sessions. Stop use immediately and remove the patch if you experience pain, stinging, burning, redness, itching or other noticeable discomfort. If symptoms persist, do not resume use and consult a professional. Stop use if the product malfunctions and contact support. Keep away from children and pets. [Read before use](https://www.ktrlpatch.com/user-guide) [Explore use limits](https://www.ktrlpatch.com/news/can-ktrl-be-reused) ## Product information Read the printed guide. Check your patch before use. [Read the guide](https://www.ktrlpatch.com/user-guide) [Product information and documents](https://www.ktrlpatch.com/product/ktrl-portable-smart-patch) [Still curious? Get in touch](https://www.ktrlpatch.com/support) ## Know the science. Understand the product. Explore electrical stimulation, physical sensation, use limits and separate sessions. [Read the explainer](https://www.ktrlpatch.com/news/what-is-transcutaneous-electrical-stimulation) [Explore the experience](https://www.ktrlpatch.com/news/how-nerves-control-erections) [Explore use limits](https://www.ktrlpatch.com/news/how-long-should-sex-last) [Explore the difference](https://www.ktrlpatch.com/news/continued-use-of-ktrl) ## Your questions. ### What does KTRL do? KTRL uses controlled electrical pulses to create a rhythmic physical sensation on the skin. It is designed to add a different layer of experience to personal or shared adult private moments. ### What kind of experience is it? KTRL uses controlled electrical pulses to create a rhythmic physical sensation on the skin. It is designed to add a different layer of experience to personal or shared adult private moments. A physical sensation is not a promise of a clinical result. [Explore the experience](https://www.ktrlpatch.com/news/how-nerves-control-erections) ### Does sensation establish a lasting effect? Sensation describes an experience during use. It does not establish longer duration, improved sexual function or lasting changes. [Explore sensation and timing.](https://www.ktrlpatch.com/news/ktrl-sensation-vs-lasting-longer) ### Can I reuse a patch in another session? Switch off before removing or repositioning the patch within the same session. You may gently bend it to fit the skin, but must not fold it or bend it sharply. Do not reuse it across sessions. [Explore separate sessions](https://www.ktrlpatch.com/news/continued-use-of-ktrl) ### Is KTRL a medical treatment? KTRL is consumer lifestyle technology, not a medical device or treatment. ### What is transcutaneous electrical stimulation? Transcutaneous means "through the skin." Electrical stimulation can be delivered using electrodes that contact the skin and transmit electrical pulses through its surface. [Read the science overview.](https://www.ktrlpatch.com/#science) ### Is this the same as TENS pain treatment? TENS is commonly associated with pain relief. KTRL is a non-medical consumer product for physical sensation. Shared terminology does not establish the same purpose, outcomes or instructions. [Read the TENS comparison.](https://www.ktrlpatch.com/news/tens) ### What is the difference between 1 and 3 patches? Only the quantity changes: one patch or three of the same patch. Each patch is for a separate session; the three-pack is not a treatment course. ### How long can one session last? Use for at most 30 minutes of cumulative powered-on time in one session. Time switched off does not count; switching on again continues the same cumulative limit. Stop use immediately and remove the patch if you experience pain, stinging, burning, redness, itching or other noticeable discomfort. If symptoms persist, do not resume use and consult a professional. Stop use if the product malfunctions and contact support. Keep away from children and pets. ### What should I check before use? Men aged 18–60, subject to the complete contraindications in the user guide. Check that the packaging is intact and the patch is undamaged. Clean and dry the application area; do not apply to abnormal skin. Trim excess hair if necessary. [Open the use guide.](https://www.ktrlpatch.com/user-guide) ### Who should not use KTRL? Under 18 or over 60 years of age. Wounds, damage, ulcers, redness, infection, inflammation or other skin abnormalities at the application site. Abnormal sensitivity, intolerance to stimulation or other abnormal reactions at the application site. Known sensitivity or allergy to contact materials. A history of major cardiovascular disease or other relevant serious health risks. Use of implanted, interventional or other electronic stimulation devices. Peripheral nerve abnormalities or abnormal sensation. Visible product damage, a cracked casing, abnormal heat or an abnormal product condition. Bathing, swimming, sauna use or other wet environments. Driving, operating machinery or sleeping. Treatment or medicines that may affect skin sensation, local reactions or judgement about safe use. Surgery, treatment or ongoing recovery at the application site. Stop use immediately and remove the patch if you experience pain, stinging, burning, redness, itching or other noticeable discomfort. If symptoms persist, do not resume use and consult a professional. Stop use if the product malfunctions and contact support. Keep away from children and pets. [Read the guide](https://www.ktrlpatch.com/user-guide)