Still have a question? Send us a message.

Seattle Ultrasonics

<p><span style="text-decoration:none;" id="isPasted">No, but neither is any sharp knife. Dishwasher detergents contain micro-abrasives that dull and chip away at knife edges. If you enjoy using sharp knives, never put them in the dishwasher!&#xA0;</span></p>

No, but neither is any sharp knife. Dishwasher detergents contain micro-abrasives that dull and chip away at knife edges. If you enjoy using sharp knives, never put them in the dishwasher!

Is the knife dishwasher safe?

Care and Maintenance

Technology

Is it waterproof?

Purchasing

Shipping

Other

What does an ultrasonic knife do?

What generates the vibrations in the C-200?

Can you feel any vibration in the handle during use?

Does it make noise?

Will the sound bother dogs?

Does the C-200 knife use AI?

Does the C-200 have Bluetooth/WiFi connectivity?

Is an ultrasonic knife dangerous to use?

Where is the C-200 produced?

What kind of knife steel does the C-200 use?

How big is the C-200 knife?

How much does the C-200 weigh?

Does the blade get hot when cutting with ultrasonics?

Is the C-200 knife a full-tang knife?

How long does the battery last and what is the battery life per charge?

Is the battery removable?

How do I recharge the knife's battery?

Why wasn't a USB-C charging cable included?

Do ultrasonic knives require less sharpening than regular knives?

How do I sharpen or resharpen the C-200?

Is the knife dishwasher-safe?

Is the knife waterproof?

Why does the knife contain lead (per the warning label)?

Can I travel with the C-200 knife on an airplane?

Do the ultrasonics make cutting onions worse?

Does ultrasonic cutting cause juices from meat, poultry, or seafood to mist?

Is this disability friendly?

What is the lifetime of the piezo ceramic crystals?

Are the ultrasonics dangerous for my skin?

What is the bevel on The C-200?

Do you have other handle designs?

How much does The C-200 weigh?

C-200 Ultrasonic Knife

How does the Wireless Charging Tile work?

How many charges can the tile provide before it needs to be plugged in?

Does the Charging Tile need to stay plugged in?

Can I mount the Charging Tile to a wall?

Is the Charging Tile made of real wood?

Wireless Charging Tile

Where can I buy the C-200 knife (and the Charging Tile)?

Will you ship to my country?

What about import duties or VAT fees for international orders?

How can I cancel my order if I change my mind?

What is your return policy?

What should I do if I receive a damaged or defective product?

Do you offer a warranty on the knife and tile?

Ordering & Payment

Where does my order ship from?

Do you ship to P.O. boxes?

Do you ship internationally, and are there any countries you don't ship to?

Can I change my shipping address after placing an order?

Shipping & Delivery

How do I contact customer support or get help with my product?

I'm a journalist or influencer and want to review the knife - who do I contact?

What is Seattle Ultrasonics as a company?

Is Seattle Ultrasonics related to any other knife brands or companies?

General / Other Questions

How big is the handle?

Is the knife dishwasher safe?Updated 2 months ago