Features: This power cable supports charging 5V devices from the USB port. It does not support 12V products; the interface is center-positive and outer-negative. The connector size is OD: 5.5mm and ID: 2.5mm. Please verify compatibility with your device's power jack. This 5V power cord is compatible with various 5V devices such as mini fans, desk lamps, routers, and Bluetooth speakers. The USB to 5.5mm x 2.5mm jack power cable is made of durable materials designed to withstand repeated bending and provide extended durability. Package includes: 1 x USB to 5.5mm x 2.5mm power cable, ready for plug-and-play use. Specifications: Power: 5V Connector: OD: 5.5mm x ID: 2.5mm Cable Length: 1M / 39.37in, 2M / 78.74in, 3M / 118.1in Material: Plastic Quantity: 1PC Note: No retail packaging included. Allow 0–1cm variation due to manual measurement. Please confirm you accept this before purchasing. Due to monitor display differences, the actual item color may vary slightly from the image. Thank you. Package includes: 1 PC x USB 5V Cable