AeroZephyr – Instant Cooling Freedom | Kalsten
Feel an instant wave of freshness whenever the heat hits
Experience the thrill of refreshing breezes right in your hand with the AeroZephyr – a sleek, feather-light fan that effortlessly folds up and comes to life with five powerful speeds. From blistering hot streets to sticky office hours – stay calm and cool, no matter where the sun is blazing.
Your chill machine in pocket size with perfect control
✔ Five levels of refreshing power:
Quiet brushless motor sends breezes from gentle whispers to jet-like gusts – for the perfect coolness even on the hottest days.
✔ Crystal clear LED display & fast Type-C charging:
See just how cool you are, with vibrant displays for speed and battery, plus lightning-fast charging to ensure your fan never leaves you sweating.
✔ Foldable, feather-light and versatile:
Bend, store, hang – AeroZephyr adapts to your lifestyle and fits in any pocket or bag for cooling anywhere, anytime.
Technical Specifications
Durable construction: High-quality ABS casing for lasting freshness
Powerful 3600mAh battery: All-day use without sweating over a dead battery
Modern Type-C charging: Fast, hassle-free charging on the go
Frequently Asked Questions
How long will AeroZephyr keep me cool on a single charge?
The robust 3600mAh battery adapts to your selected speed, providing hours of consistent breeze based on your setting – ensuring the heat never wins.
Is it really easy to carry and use when I'm on the go?
Absolutely. The ultra-light, foldable design of the AeroZephyr fits in your pocket or bag. Plus, the handy hanging loop keeps your hands free while you stay cool.
Can I direct the airflow where I need it most?
Definitely. The 180° hinge allows you to perfectly adjust the breeze direction – no more struggling with hot spots.
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.
