Features: Suitable for WiFi router, speaker, LED light, and other devices. 20AWG thick copper wire supports up to 5A current, thicker than standard 24AWG wire, offering high efficiency and low heat generation. Interface specification: USB-A to DC 5.5x2.5mm connector, may also be compatible with 5.5x2.1mm. USB-A male connector equipped with AD voltage detection chip for real-time voltage monitoring. When used with QC 2.0/QC 3.0 USB input, 5.5x2.5mm output can be 9V or 12V (optional); requires a USB adapter with QC 3.0 9V/12V output. If using standard USB 5V input, output is 5V and voltage cannot be changed.Specifications: Item: QC 3.0 USB-A to DC 5.5x2.5mm Converter Cable Plug-A: USB-A Male Plug-B: DC 5.5x2.5mm Male Connector Activated devices: PD charging, PD power bank Activation voltage: 9V/12V Output interface: DC 5.5x2.5mm round connector (positive center, negative outer) Compatible devices: Devices requiring 9V or 12V input, such as monitors and routers Connector gender: Male to Male Cable length: Approximately 1.2m (47.24 inches)Note: No retail packaging. Slight measurement variation of 01cm may occur due to manual measurement. Please confirm acceptance before ordering. Due to differences in display screens, actual item color may vary from the image. Package includes: 1 x USB-A to DC 5.5x2.5mm Converter Cable