
KTRL™ Portable Smart Patch
A discreet, single-use smart patch that uses controlled electrical pulses to create a rhythmic physical sensation during adult private moments.
Choose a Pack
Enhanced Privacy
Shipping.
Choose plain outer packaging with no product imagery or descriptive labeling, so your order arrives discreetly and without unnecessary attention.
Clear, discreet
delivery.
- Orders are processed within 7 working days after confirmation and delivered within 21 working days after dispatch. Tracking is provided after dispatch.
- We deliver to the 27 EU member states and the United Kingdom, Mexico, Brazil, Thailand, Vietnam, Malaysia, Singapore, Indonesia, the Philippines and Australia.
- Tracking information is provided after shipment.
- Ordinary delivery is currently free. Plain outer packaging is an optional USD 5 upgrade, separate from ordinary delivery. Customs duties, import taxes and local charges not collected at checkout may still apply.
A few things
to know first.
- Apply only to clean, dry skin and follow the printed 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.
- 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.
- For men aged 18–60 only. Check every contraindication in the user guide before use.

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.
Portable, discreet, and simple to use, KTRL works without pills, topical formulas, charging cables, or bulky equipment.
What KTRL
is.
- Product type
Single-use wearable personal lifestyle technology.
- How it works
Controlled electrical pulses create a rhythmic physical sensation through external skin contact.
- Designed for
Men aged 18–60, subject to the complete contraindications in the user guide.
- Session time
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.
- Power
Two non-rechargeable LR927 batteries, 1.5 V each.
- Use format
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.
- Contact type
External skin-surface contact only. Conductive gel and TPE insulating foam.
- Pack contents
One patch, one quick guide and one instruction manual per single-patch pack. Quantity depends on the selected pack.
- Medical positioning
Consumer lifestyle technology. Not a medical device or treatment.





EMC conformity,
documented.
The published Verification of Conformity identifies model WDC201 and trademark KTRL3F, and lists an EMC scope under Directive 2014/30/EU.
- Scope
- EMC Directive 2014/30/EU
- Product
- Portable Smart Patch · WDC201 · KTRL3F
- Certificate
- ICR/VC/HM260653
- Valid through
- 2 June 2031
This voluntary document covers EMC only, not medical approval, clinical effectiveness or all market-entry requirements. The certificate names Beijing Weidian Technology Co., Ltd. as manufacturer; the confirmed business information names INFUN TECH LIMITED. The original certificate is preserved; this difference has not been resolved and the issuing body's current validity has not been independently verified.
Clear
answers.
KTRL™ Portable Smart Patch is a single-use wearable that uses controlled electrical pulses to create a rhythmic physical sensation for adult private moments.
No. KTRL is a consumer lifestyle technology product and is not intended to diagnose, treat, cure, or prevent any disease or medical condition.
KTRL is intended for men aged 18–60. Check the complete contraindications and stop-use guidance before use.
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.
It uses 2 non-rechargeable LR927 batteries, rated at 1.5 V each. Do not recharge.
Yes. KTRL is designed for external skin-surface contact. Apply it only to clean, dry, intact skin as directed in the guide.
Do not use while driving, operating machinery, sleeping, bathing, swimming, in a sauna or in other wet environments.
Ordinary delivery is currently free. Plain outer packaging is an optional USD 5 upgrade, separate from ordinary delivery. Customs duties, import taxes and local charges not collected at checkout may still apply.
Orders are processed within 7 working days after confirmation and delivered within 21 working days after dispatch. Tracking is provided after dispatch.
Contact us as soon as possible. Orders may be cancelled before shipment processing begins, but cancellation cannot be guaranteed once processing has started.
Contact support as soon as possible. Address changes may be possible before shipment processing begins but cannot be guaranteed afterward.
We do not accept returns for reasons unrelated to product quality, including unused or unopened products. Report quality issues within one month after receipt, with your order number and clear product photographs. No return shipment is required. Subject to support approval, we may replace the product or provide another appropriate solution. If support gives final approval for a refund, we initiate it through the original payment channel within 2 working days. The time until funds arrive depends on bank processing.
Delay starts on the day after the promised 21-working-day delivery period ends and is counted in calendar days, including weekends and public holidays. If there is a risk of substantial delay exceeding 30 calendar days, customers who have paid but not received the product may contact support to request a refund. A refund is not automatic, and you do not have to wait for an actual 30-day delay before contacting us about this risk. For damaged products, report the quality issue within one month of receipt with your order number and photographs.
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.
Designed around
real use.
- Discreet by Design
A compact format and optional plain shipping help keep the experience personal.
- Simple from Start to Finish
Open, apply, activate, and dispose of the patch after one session.
- No Charging Required
Built-in power means KTRL is ready to use directly from the pack.
- Physical, Not Chemical
KTRL creates sensation through controlled electrical pulses, without pills or topical formulas.
- Made for Modern Routines
Slim, portable, and easy to store at home or carry while traveling.
- Single-Use Convenience
One patch, one session, with no cleaning, charging, or separate controller.
- Quiet Personal Technology
Designed to feel considered, private, and easy to understand.
For men aged 18–60, subject to the complete contraindications.
KTRL is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition.
For external skin-surface contact only. Apply only to clean, dry, intact skin.
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.

