CoolStone

Personal Micro-Cooling Elegance 🌸

Fashionable earrings that provide personal micro-cooling using phase-change technology adapted from rocket thermal management systems. Paired with a smart watch that monitors body temperature and UV index.

Join the Future Try Demo

✨ The Wow Moment

You're at an outdoor wedding in 95°F heat, makeup melting, dress sticking to you — then you feel a sudden cool sensation behind your ears as your CoolStone earrings activate, and your watch vibrates:

💎 "Cooling engaged. UV critical. Sunscreen in 15 min."

You stay comfortable and protected while everyone else is suffering.

🚀 Rocket Tech

Phase-change cooling technology adapted from spacecraft thermal management systems, miniaturized for elegant wearables.

🌡️ Smart Monitoring

Integrated sensors track body temperature and UV index, automatically activating cooling before you overheat.

💎 Elegant Design

Fashionable earrings that complement any outfit — from weddings to work sites. No one will know they're high-tech cooling devices.

CoolStone Earrings

$299

Includes 1 pair of earrings

1 cooling cartridge included

Smart Watch

$199

Temperature & UV monitoring

Water-resistant, 7-day battery

Cooling Cartridges

$29/mo

Subscription refill plan

Auto-delivered, never run out

Kickstarter Coming Soon

Help us fund our first production run with a $99,000 goal. Early backers get exclusive pricing and limited-edition colors.

Get Notified at Launch