What You Get: 1PCS sovunis USB C to 5.5mm x 2.1mm DC Power Extension Charge Cable; Male to Male Connectors. Length: 3.3FT; Color: Black. USB C to DC 12V: Built-in a smart PD chip, it can convert the PD Charger into DC 12V. It supports 12V 3A Max. output for devices with 5.5*2.1mm DC interface. How to Use: If your equipment power Jack is DC 5.5mm x 2.1mm with 12V Needed, you can use this cable with a PD Charger or PD Power bank to power your equipment. It can be used for some Router,CCTV cameras,HiFi speaker,monitors,led strip light and so on. PD Device Requirement: This Cable is just a conversion device,you need to provide correct PD power Adapter or PD Power Bank which support 20V output. Please note the Type-C charger power must be over than the output end power. The Power Bank should support 20V output. High Quality Materials: Aluminum alloy shell design, fashionable, beautiful and durable. Tail protection design, bendable, anti-broken. Wire diameter is 4.