Unisex compact portable air cooler desktop device with USB connection and water container Kalsten
Kalsten Compact Mini Air Cooler – Mobile Cooling for Home and Office
The Kalsten Mini Air Cooler is a powerful yet space-saving tabletop device that provides targeted cooling for your desk, bedroom, or workplace. Thanks to USB power supply and integrated water tank, the device offers immediate, pleasant fresh air and is ideal for hot summer days or poorly ventilated rooms.
Main Features
- Portable Design: compact and lightweight, perfect for desk, bedside table, or on the go.
- USB Connection: flexible power supply via power bank, laptop, or power adapter – no special outlet required.
- Water Tank with Ice Compartment Function: additional cooling effect with cold water or ice cubes for more intense fresh air.
- Adjustable Air Direction: tilting blade and grid for targeted airflow control.
- Whisper-Quiet Operation: energy-saving fan with a quiet motor – ideal for office and sleep environments.
- Energy-efficient and eco-friendly: lower energy consumption than traditional air conditioning units.
- Easy Cleaning and Maintenance: easily accessible water tank and removable fan grid.
Benefits at a Glance
- Fast, direct cooling without complicated installation.
- Mobile use – from home to the office or while traveling.
- Flexible use: as a fan, humidifier, and additional cooling source.
- Ideal for small spaces, nurseries, home offices, or student accommodations.
Technical Notes & Care
Fill the water tank with cold water before operation; for stronger cooling, ice packs or ice cubes can be added. Regularly empty and clean the case with a soft cloth. Only use the supplied USB power source or a suitable power adapter with comparable voltage.
Why Choose Kalsten?
Kalsten stands for thoughtful, practical solutions for everyday life. This compact air cooler combines modern design with effective functionality and is the perfect choice for anyone seeking hassle-free, mobile cooling.
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.