Two choices of heatsinks. The colorful set is 1 copper sheet and 2 aluminum sheets. The silver set is 3 aluminum sheets. They are designed for Raspberry Pi 4B for heat dissipation.
Overview: Official USB-C power supply for Raspberry Pi 4Model: US, WhiteSpecificationsInput Voltage: AC 100-240V (50/60Hz)Input Current: 0.5A (Max)Inr..