Features: With this cable, USB adapter to Bluetooth-compatible speaker or router and more Use this cable, you can supply your Bluetooth-compatible speaker router LED Strips Light and more 24V device by USB adapter Power supply from USB Charging Adapter, car Charging Adapter and more USB adapter. Some mobile power sources have automatic power-off function, and the output current of 90mA will automatically power off. It is recommended to use wall USB Adapter. The size of the Connectors is 5.5mm: 2.1mm. Please check if it fit in the power device Specifications: Input : for 5V 2A Output : for 24V 0.25A 6W Cable Length: Approx. 100cm Color: Black Input: USB A Type Male Output: 5.5x2.1mm (Inside the positive ,outside the negative) Package Includes: 1Pc USB 5V to 24V Adapter Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.