Connect your power bank, USB adapter, or car charger to Bluetooth-compatible speakers, routers, and more with this versatile cable. Power your smart devices: Ideal for Bluetooth speakers, routers, LED strip lights, and other 24V devices using a USB adapter. Reliable Power Source: Draw power from USB chargers, power banks, car chargers, and other USB adapters. Important Note: Some power banks have an auto-off feature for low output currents (around 90mA). For consistent power, we recommend using a wall USB adapter. Check the DC Connector Size: The DC connector is OD: 5.5mm and ID: 2.1mm. Please ensure it fits your device's power port. Specifications: Input Voltage: DC 5V 2A Output Voltage: DC 24V 0.25A 6W max Cable Length: Approx. 100 cm Color: Black Input Interface: USB A Type Male Output Interface: 5.5x2.1mm plug (center positive, outer negative)