"Quantity:(2-Pack)
Size:Length,width( 4.6x1.5x0.8cm)
Material:PVC Plastic.
Color:(Black)
Connectors 1 : DC 5.5 × 2.1 mm male jack.
Connectors 2 : USB 2.0 A male jack. Output: DC 5.5 × 2.1 mm male jack or usb 2.0 A male jack (Note: Please ensure the size of the DC adapter before purchase)
Point 1: ( The output voltage is 5V,Cannot use 9V-12V voltage.)
Use a 5V power adapter with a barrel connector to power and charge USB 2.0 A devices.And the USB 2.0 A port can also charge DC devices.
Point 2: Before purchasing, please make sure that the DC output of the AC adapter is the same as the tip size (voltage: 5V,size: DC 5.5 × 2.1 mm). "