Frequently Asked Questions

Everything you need to know about UnderSilicon products

What devices are currently available?

We currently offer two devices: the DIANJI Electric Stimulation Controller and the CUNZHI01 Combined Stim & Kegel Trainer. More devices are in development and will be announced soon.

How do the devices connect?

All UnderSilicon devices use Bluetooth Low Energy (BLE 5.0) for wireless connectivity. Simply download the UnderSilicon companion app, turn on your device, and connect in seconds.

Is it safe to use?

Absolutely. Every UnderSilicon device features hardware-level safety limits, configurable safe voltage thresholds, and a one-tap emergency stop function. Safety is our top priority.

What phone do I need?

The UnderSilicon companion app is currently available for Android 6.0 and above. iOS support is planned for a future release.

Do you ship internationally?

Yes! We ship worldwide. Shipping times and costs vary by region. Contact us for specific shipping information to your area.

What's the warranty policy?

All UnderSilicon devices come with a 1-year limited warranty covering manufacturing defects. Extended warranty options are available at checkout.

Still have questions?

Contact our team