Features: Suitable for mini fans, desk lamps, routers, bluetooth-compatible speakers, etc. Only supports 5V devices, not 12V products, the plug inner are positive and the outer negative; The USB to DC 2.5mm x 0.7mm jack power cable adopts durable materials that can withstand high-strength bending and last longer. Durable and easy to use; 1meter DC Power Cable or 2meter DC Power Cable optional; Specifications: Material:Plastic Color:Black Option Type:1meter 5V DC Power Cable;2meter 5V DC Power Cable; 2.5x0.7mm Jack Power Cable Package Includes: 1x 5V DC Power Cable note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.