(2 Pack) DC 4.01.7mm to USB Power Adapter 5 Volt USB 2.0 A Male to DC 4.0 1.7 mm Male DC 5V Barrel Power Plug Charger Cord Connector for 5 V DC or USB Charging Device(M/4.01.7)

"Quantity:(2-Pack) Size:Length,width( 4.6x1.5x0.8cm) Material:PVC Plastic.Color:(Black)Connectors 1 :DC 4.0 1.7 mm male jack.Connectors 2 : USB 2.0 A male jack. Output: DC 4.0 1.7 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 4.0 1.7 mm). "