MEMO CX21 18W Ultra Quiet High-Power Magnetic Phone Cooler for PUBG & Mobile Gaming | 3 Months Warranty - Multicolor

MEMO CX21 18W High-Power Magnetic Phone Cooler

Keep your smartphone cooler during intense gaming, live streaming, video recording, and extended use with the MEMO CX21 18W Magnetic Phone Cooler. Its semiconductor cooling system and high-speed turbo fan are designed to reduce heat buildup, helping minimize thermal throttling, frame drops, and performance instability during long gaming sessions.

The compact magnetic design attaches easily to compatible smartphones and magnetic cases, while RGB lighting gives your gaming setup a vibrant, premium look.

Product Specifications

• Brand: MEMO
  
  
• Model: CX21
  
  
• Product type: Magnetic smartphone cooler
  
  
• Cooling technology: Semiconductor/Peltier cooling
  
  
• Rated cooling power: 18W
  
  
• Fan type: High-speed turbo fan
  
  
• Mounting system: Magnetic attachment
  
  
• Lighting: RGB dynamic lighting
  
  
• Power interface: USB Type-C
  
  
• Noise level: Low-noise operation
  
  
• Compatibility: Android and iPhone devices
  
  
• Colour: White
  
  
• Warranty: 3 Months Seller Warranty
  
  

The core specifications above are consistently listed by multiple Bangladesh retailers for the MEMO CX21.

Compatible Devices

Compatible with:

• MagSafe-supported iPhones
  
  
• iPhones using magnetic cases
  
  
• Samsung Galaxy gaming phones
  
  
• OnePlus, Xiaomi, Redmi, POCO, Realme, Oppo, Vivo, Honor, Nothing, and Google Pixel phones
  
  
• Other flat-back smartphones using a compatible magnetic ring
  
  

For the strongest attachment and best cooling performance, remove thick cases and position the cooler directly over the phone’s hottest area.

Recommended Uses

• PUBG Mobile and BGMI
  
  
• Free Fire and Free Fire MAX
  
  
• Call of Duty Mobile
  
  
• Mobile Legends
  
  
• Genshin Impact
  
  
• Live streaming
  
  
• Video recording
  
  
• Navigation and hotspot use
  
  
• Charging during heavy smartphone usage
  
  

Benefits of Using the MEMO CX21

• Helps control smartphone heat during long gaming sessions
  
  
• May reduce thermal throttling and frame-rate instability
  
  
• Helps maintain more consistent gaming performance
  
  
• Compact and portable for travel or tournaments
  
  
• Fast magnetic installation
  
  
• Enhances gaming aesthetics with RGB lighting
  
  

How to Use

1. Attach the MEMO CX21 to the centre or hottest area of the phone’s back.
   
   
2. Use a magnetic ring or compatible case when required.
   
   
3. Connect the cooler to a suitable USB-C power adapter.
   
   
4. Switch on the cooler before starting demanding games or applications.
   
   
5. Keep the ventilation openings clear during use.
   
   

Important Notes

• The cooler does not contain a built-in battery unless explicitly stated on your exact package.
  
  
• Cooling performance depends on room temperature, charger output, phone case thickness, and placement.
  
  
• Condensation may form on the cooling plate in humid environments.
  
  
• Do not block the fan’s air intake or exhaust.
  
  
• Magnetic attachment strength varies by phone model and case.
  
  
• “18W” refers to the cooler’s rated power, not wireless charging output.
  
  

Description

Buy the MEMO CX21 18W high-power magnetic phone cooler with semiconductor cooling, high-speed turbo fan, RGB lighting, USB-C power, and strong magnetic attachment for PUBG, Free Fire, iPhone, and Android gaming. Includes 3 months warranty.

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