Multi-Purpose Cable: Universal USB to DC Charge Cable, 8 Connectors Adapter which makes it fits most of the home appliances. You do not have to worry about finding suitable adapters when using various devices. Build in identigication resistor, Reverse polarity protection, over current protection, over temperature protection, short circuit protection. A smart design, Lower heat and long working time , for protecting your device from damage. 8 DC Plugs Connectors Included: Easy to use, plug and play. The cable allows you to charge your device anytime, anywhere.(NOTE:Please check and confirm the interface type of your devices need charging before ordering.) Type A Male USB plug to 5.5mm(outer), 2.1mm (inner) .With 8 connetors: 6.4*4.4mm/ 6.3*3.0mm/ 5.5*2.5mm/ 5.5*2.1mm/ 5.5*1.7mm/ 4.8*1.7mm/ 4.0*1.7mm/ 3.5*1.35mm.Convenient Use and Portability. DC 5V USB cord Max for 2A device.DC Tip Polarity: Inner Positive(+), Outer Negative(-).Below 2A and Max for 8Watts device(more than 8Watts will not Work). For LED Light / Camera/ Tablet / Mobile phone / Power Bank/ Home Phone System / Phone Router / DJ Controller / MP3/ Portable DVD/ Netbook / Toy / Recorder / Bluetooth Speaker / Scanner / DVR / Disk Box / Bluetooth speakers and more 5v devices.