Is the back-clamp cooling capacity difference due to different power supply units?

Yes.10W or higher adapter for optimal cooling

Does it have a Japanese instruction manual?

The Japanese instruction manual is provided on the product page, so please download it as necessary.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Black Shark FunCooler 3 Smartphone Cooling Fan, Silent, Small, Lightweight, Smartphone Cooler, Peltier Device, Smartphone Heatsink, Game Cooler, Telescopic Clip Type, Compatible with Various iPhone/Android Models

Black Shark FunCooler 3 Smartphone Cooling Fan, Silent, Small, Lightweight, Smartphone Cooler, Peltier Device, Smartphone Heatsink, Game Cooler, Telescopic Clip Type, Compatible with Various iPhone/Android Models

Product ID: 739860810

Details

Brand
Black Shark
Compatible Devices
Smartphone
Cooling Method
Air
Manufacturer
Black Shark
Material
Plastic
Maximum Rotational Speed
7500 RPM

🔇<39 dB ultra-quiet

⚙️7,500 rpm fan speed

❄️24°C temp drop

Description

❄️ Stay Cool, Game Hard, Win Easy

TURBO FAN POWER - 5-blade fan spins at 7,500 rpm to keep your device ice-cool during marathon sessions.
CHILL LIKE A PRO - Semiconductor cooling tech drops phone temp by up to 24°C for peak performance.
SLEEK FEATHERLIGHT - At just 74g, it’s barely there—perfect for on-the-go pros who demand efficiency.
WHISPER QUIET GAMING - Noise level under 39 dB means zero distractions while you dominate.
UNIVERSAL FIT ZERO SCRATCHES - Elastic clamp fits 69-85mm phones with rubber pads to protect your prized device.

The Black Shark FunCooler 3 is a compact, lightweight smartphone cooling fan featuring semiconductor cooling technology and a 7,500 rpm 5-blade fan that reduces device temperature by up to 24°C. Operating quietly below 39 dB, it fits phones 69-85mm wide with a flexible, scratch-protecting clamp, making it ideal for gamers and heavy users seeking optimal phone performance.

Specifications

ASIN	B0BX6ST7N9
Amazon Bestseller	#161,862 in Computers ( See Top 100 in Computers ) #469 in USB Fans
Brand Name	Black Shark
Compatible Devices	Smartphone
Cooling Method	Air
Customer Reviews	4.0 4.0 out of 5 stars (173)
Item Weight	74 Grams
Manufacturer	Black Shark
Material Type	Plastic
Maximum Rotational Speed	7500 RPM
Model	BR32
Noise Level	35 Decibels
Part Number	BR32
Power Connector Type	5-Pin
Unit Count	1.0 Count
Voltage	5 Volts
Wattage	10 W

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