KERDEJAR Universal 90 Degree USB 5V to 12V 4.0x1.7mm Power Supply Cable for Tmall Smart Bluetooth Speaker Echo Dot 3rd Router LED Strip 1m

With this cable, you can connect your power bank,USB adapter to Bluetooth-compatible speaker or router. Use this cable, you can supply your for smart Bluetooth-compatible speaker router LED Strip Light and more 12V device by USB adapter. Power supply from USB charger,power bank,car charger and more USB adapter. Some mobile power bank sources have an 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 for DC Connector is OD: 4.0 mm and ID: 1.7 mm. Please check if it fits in the power jack on your device 6.Useful,Super convenient for different kinds of devices such as Fan, LED Lamp, Bluetooth-compatible speaker, Wireless Router, Speakers that requires for 12V power(which is no battery in the product)