Product Specification: USB 5V to DC Power Cord. Type A Male USB plug to 5.5mm(outer), 2.1mm (inner) male coaxial/barrel plug with positive center pin. More Selective: Cable length is 5FT/1.5M, With 10 connetors: Micro-USB/ Type-C/ Mini USB/ 2.50.7mm/ 3.01.1mm/ 3.51.35mm/ 4.01.7mm/ 4.01.35mm/ 4.81.7mm/ 5.5*2.5mm, can satisfy the charging demand for most different devices of home travel or office. Easy to use, plug and play. convenient. Widely Compatible: LED Pixel Light / USB-HUB / Camera/ Tablet / Mobile phone / Power Bank/ Home Phone System / VoIP Phone Router / Serato DJ Controller / MP3/ Portable DVD/ Nextbook / Webcam Router / Toy / Recorder / Bluetooth Speaker / Scanner / DVR / Hard Disk Box / Bluetooth speakers and more 5v devices. With bold copper core, this DC 5V USB barrel cord has the characteristics of low transmission heat, fast conduction and stable transmission performance, which can improve the charging efficiency and prolong the service life. The maximum load