AAOTOKK (2 Pack USB to DC 4.0x1.7mm Jack Power Connector 2.0 A Male 4.0 x 1.7 mm Female 5V Barrel Plug Charger Cable Adapter for 5 V or Charging Device(M/F4.0x1.7)

Quantity:(2-Pack) Size:Length,width(4.8x1.5x1.1cm) 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 female jack or usb 2.0 A male jack (Note: Please ensure the size of the DC adapter before purchase) 【Compatible USB 2.0 A Devices】Power or charge USB 2.0 A devices via standard DC plug/adapter,Applicable to a variety of small electrical appliances, mobile phones, MP3, MP4, digital photo frames,U disk, USB charger. 【Compatible DC 4.0×1.7 mm Devices】USB 2.0 A port can also charge DC devices,The DC 4.0×1.7 mm port for small electronics，Night light, LED light bar, Small speaker,Toy car,Fan,Tablet computer,Massager,Wireless router,etc devices which Use a DC 4.0×1.7mm DC barrel jack for a power adapter. 【Note】: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).