- Say goodbye to overheating - Revolutionary gadget! | Kalsten
AVOID YOUR PHONE FROM OVERHEATING!
Are you tired of your device becoming slow and hot?
Are you worried about the lifespan of your phone? Then Kalsten is the answer to your problems!
FEATURES
✔ Stay cool everywhere
Kalsten prevents your phone from overheating in just 3 seconds and ensures a smooth experience while gaming or streaming.
✔ Sleek cooling
With Kalsten, enjoy a wireless magnetic installation and a slim design that looks stylish with colorful LED lights.
✔ Extend device lifespan
Kalsten intelligently regulates temperature and prevents your phone from getting hot.
✔ Technical and quiet
Kalsten cools your phone silently at a noise level below 25 DB. Thanks to its high adaptability and woven connector, it fits various models.
SPECIFICATIONS
Weight: 80g
Color: Black
Material: Aluminum alloy + ABS
Interface: Type-C
Speed: 5500rpm
Input current: DC 5V/2A
PACKAGE CONTENTS
1x Kalsten
1x User manual
1x Packaging box
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.
