Features 1、SUPPORT USB COMMUNICATION: The filter can be driven by a common 3A adapter, it also supports USB communication, can connect PC and USB sound card. 2、ALUMINUM ALLOY CASE: The aluminum alloy casing of the filter can ensure the filter well and provide a long service life for the filter. 3、INPUT VOLTAGE INDICATION: The filter has an indication of input voltage 10% to 100%, which is an electronic module very suitable for Raspberry Pi. 4、TYPE C INTERFACE: The filter has Type C input interface and Type C, USB2.0 output interface, suitable for 10W adapter input. 5、EFFECTIVE FILTERING: The filter can filter the frequency point of a specific frequency in the power line or the frequency other than the frequency point to obtain a power signal of a specific frequency, or eliminate the power signal of a specific frequency. Specification Item Type: Super Capacitor Power Filter Module Material: Aluminum alloy Package List 1 x Super Capacitor Power Filter Module