★ The output voltage is 5V, 9V-12V voltage cannot be used.) Use a 5V power adapter with barrel connector to power and charge SB ★ Type C 2.0 devices. The Type C 2.0 port can also charge for DC devices. ★ Connector 1: for DC 5.5x2.1mm female jack. Connector 2: 90-degree C-type USB male jack. Output: 90 degree Type C usb 2.0 male jack or for DC 5.5x2.1mm female jack ★ Power or charge USB Type C devices through standard for DC plugs/adapters, suitable for all kinds of small chargers, mobile phones, Type c devices, etc. ★ The 90-degree Type C port can also charge for DC devices. The for DC 5.5x2.1mm port is widely used and is very convenient for various devices, such as DVD players, LCD displays, fans, desk lamps, Blue-tooth audio, wireless routers and output 5V power supplies Speakers.