How does this heat up if it doesn't use batteries?

It is supposed to respond to the heat of your hand. It did not work for me. Would not recomend this knife.

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That! Inventions "SpreadTHAT!" Self-Heated Butter Knife, Silver/Red, 17.5 x 1.5 x 0.3 cm

That! Inventions "SpreadTHAT!" Self-Heated Butter Knife, Silver/Red, 17.5 x 1.5 x 0.3 cm

Product ID: 49889095

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Details

Recommended uses for product
Carving
Brand
THAT
Model name
SpreadTHAT!
Special feature
Heating
Age range (description)
Adult
Included components
One serrated

🔥Self-heats to soften butter instantly

🦾Durable titanium shell with semiconductor heat tubing

🧼Dishwasher safe for effortless cleaning

Description

🔥 Spread the warmth, skip the wait!

NO BATTERIES NO FUSS - Powered by semiconductor heat transfer—no plugs or batteries needed, safe for the whole family.
PREMIUM TITANIUM BUILD - Robust titanium shell guarantees long-lasting durability and sleek style.
ERGONOMIC FOR ALL HANDS - Ambidextrous design ensures comfort and ease whether you're left or right-handed.
GRIP GLIDE TECHNOLOGY - Micro-textured surface enhances grip and spreading precision, elevating your breakfast ritual.
EFFORTLESS BUTTER SPREADING - Heated serrated edge melts cold butter on contact for smooth, mess-free spreading.

The SpreadTHAT! Self-Heated Butter Knife features a titanium shell with semiconductor heat tubing that warms the serrated edge to effortlessly soften cold butter. Designed ambidextrously and dishwasher safe, it requires no electricity or batteries, making it a safe, durable, and convenient kitchen essential.

Specifications

Brand	THAT
Model Number	SPR-21R
Colour	Silver and Red
Product Dimensions	17.78 x 1.91 x 0.25 cm; 85.05 g
Material	Titanium
Auto Shutoff	No
Special Features	Heating
Item Weight	85 g

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