FAQ

Product FAQs

FAQs regarding iroha zen（MATCHA・HANACHA・YUZUCHA）

What kind of product is the iroha zen?

The iroha zen brings iroha’s unique Soft-Touch Silicone to everyone in a new refined, portable, battery-powered body.
Rows of pleats adorn the outer silicone, with a long shape that’s easy to hold.
With the iroha zen you can touch, twist and tease for a variety of sensations. It’s fully waterproof for both use in the bath and easy cleaning.
How are the iroha RIN and iroha zen different?

The iroha RIN and iroha zen can both be enjoyed as battery-powered vibrating items, but the RIN offers a soft spherical tip that provides a brand new sensation for insertable pleasure.
Are there any functional differences between the colors?

The colors are purely for aesthetic difference, so please choose the color you like the most!
How do I turn the product on?

With the batteries inserted facing the correct way, push & hold button on base of product for 3 seconds to turn ON/OFF.
How many vibration modes does it have?

The iroha zen has 4 vibration modes.
LOW / MEDIUM / HIGH / PULSE
After turning the item on by pressing and holding the button at the base of the product, press the button to cycle through vibration modes.
Do I need to buy batteries for the product?

The iroha zen runs on 2 AAA batteries.
※ A pair of tester batteries is included, to check if product functions properly at purchase.
■ Running time: Approx. 4 Hours
Ensure positive and negative ends of battery are faced correctly.
* Look at + and – signs at entry to battery compartment.
Can I use the product in the bath?

The product is fully waterproof up to 50cm (Approx. 20 inches).
Please do not expose to strong water currents or depths over 50cm.
※ Use in water can expose your body to the water you are using it in. Please ensure that you are using the item in a hygienic environment.
Is it hygienic and safe to use?

The product is made of body-safe silicone that is non-toxic to the human body.
The product is fully washable and can be cleaned before and after use to keep it hygienically safe.
Can I wash it with soap?

Please wash with cold or tepid water. If using soap, please use only a mild, neutral soap.
※ Do not clean with hot water. Do not place in hot or cold water for extended periods of time.
※ Do not clean with alcohol or highly acidic/alkaline cleaners. This may cause disﬁguration of product.
※ Do not remove Battery Cap when washing.
Can I use the product with lubricants, lotions or oils?

Use only water-based lubricants with this product.
※ Do not use with silicone-based lubricants, massage oils or other oils such as baby oils. This could lead to product damage, discoloration or deformation of product, and will void product warranty.
Use of oil-based products with this item may cause malfunction, discoloration or deformation.
The Cap won't screw on properly. What can I do?

Please align the two marks as shown below, and turn the Cap clockwise to lock it in place.
I just bought the product, but I think it might be broken.

Please look over the Troubleshooting tips in the User Manual.
If this does not resolve the issue, please contact us here.
Is there a Product Warranty?

This product is covered by a 3 month Warranty from the date of purchase.
Please contact us if you have any problems within the warranty period.
How should I dispose of this product?

Please dispose of the item according to your local disposal laws and regulations.
I lost my User Manual.

You can download all of our user manuals here:
User Manuals Page

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