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- USA
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Black Shark Mag-Cooler 3 Pro 20W Magnetic Semiconductor Cooling Back Clip Phone Radiator, Mag-Cooler 3 Pro1. Powerful Cooling Configuration & Performance: Upgraded semiconductor cooling technology, equipped with a large TEC cooling chip + copper cooling plate + thermal conductive silicone. 20W power enables a minimum cooling temperature of 10 degrees Celsius, with a temperature drop of up to 35 degrees Celsius; it can drop to 0 degrees Celsius in 30 seconds at 25 degrees Celsius room temperature, quickly suppressing phone overheating. 2. Upgraded Cooling
1. Powerful Cooling Configuration & Performance: Upgraded semiconductor cooling technology, equipped with a large TEC cooling chip + copper cooling plate + thermal conductive silicone. 20W power enables a minimum cooling temperature of -10 degrees Celsius, with a temperature drop of up to 35 degrees Celsius; it can drop to 0 degrees Celsius in 30 seconds at 25 degrees Celsius room temperature, quickly suppressing phone overheating.2. Upgraded Cooling Efficiency: Adopts a 7-blade high-speed fan, with a 107% increase in cooling area compared to previous generations. Combined with ultra-high density cooling chips, it provides wider coverage and higher efficiency.
3. Magnetic Design & Multi-Device Compatibility: New magnetic scheme is compatible with phones, and also supports cooling for laptops, tablets, etc., suitable for gaming, live streaming, daily entertainment and other scenarios.
4. Cool Lighting & Low-Noise Experience: Supports 11 RGB lighting effect switches to create a personalized gaming atmosphere; operates at a low noise level of 35dB, which does not interfere with voice chats or live broadcasts.
5. Intelligent Safety Protection: Built-in over-temperature protection: automatically powers off after 15 seconds when the temperature exceeds 65 degrees Celsius; automatically shuts down after 5 minutes of continuous low temperature (<= -10 degrees Celsius) to avoid device damage.
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1995 reviews
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Product Reviews
★★★★★ 5
Nice product
Color: White, Size: Twin XL (Pack of 10)
All good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
★★★★★ 5
Good buy
Good buy and worth your money
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Reviewed in the United States on January 28, 2020
★★★★★ 5
Durable and comfortable
Motel room beds. It added comfort to the bedding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2019
★★★★★ 5
Excellent piece
Color: Light Grey, Size: Queen, Color: Light Grey, Size: Queen
Initially I was worried about the cheap feeling material but when I finally decided to take it out of the bag I was impressed by the “fullness”
Of the sheet as it was folded up. Not necessarily sharp and crisp lines but when I was unfolding the sections I was really impressed by the sizing or fit with its deep pockets that cover over my mattress and 5” foundation, the design, and the slightly cool material, despite the wrinkles. This particular light gray of this fabric was one I was looking for for a very long time in mattress protectors, bedsheets, and even iPad cases. I had not found any that were to my liking but this one here by Utopia Bedding is exactly what I was looking for. It definitely sets the tone and mood of my bed and perhaps the overall feel of my bedroom too so it will make it all that much more relaxed and comfortable. It doesn’t seem to fit tightly but it’s long enough to stay in one place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Soft and Comfy
Color: White, Size: Queen (Pack of 1)
The padding adds just the right amount of softness without making the bed feel too plush or uncomfortable. It fits securely on the mattress and doesn’t slide around during the night, which is something I’ve struggled with using other mattress padsI also appreciate how quiet it is — there’s no crinkling or bunching when moving around. After several washes, it has held up well without shrinking or losing its shape.
Overall, this mattress pad is a great combination of comfort, protection, and durability. It’s an affordable upgrade that made my mattress feel fresher and more supportive. I would definitely recommend it to anyone looking to improve their sleeping experience.
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Reviewed in the United States on May 14, 2026
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