• USB to DC power cable is ideal for charging DC power devices from your laptop
• Great accessory for smartphones, hard drives, media players and other compatible devices
• USB-A plug connects to computer or laptop; Type M barrel plug connects to device
• More convenient charging solution than storing or carrying multiple device chargers
• 3-ft. (0.91 m) cable fits easily into backpack or laptop bag for charging on the go

USB to 5V DC power cable plugs into your 5V DC mobile device, so you can power and charge it through a computer or laptop’s USB port.
USB to DC Power Cable with USB-A to Type M Barrel Plug Connection You don’t need to carry around a wall adapter to keep your 5V DC mobile device charged. This USB to 5V DC power cable features a male USB-A plug for connecting to a computer USB port and a male 5.5 mm (OD) x 2.1 mm (ID) Type M barrel plug for connecting to a mobile device. The U152-003-M is ideal for powering and/or charging a compatible security camera, switch, router, external hard drive, media player or other mobile device. Its three-foot length makes it convenient to carry in your backpack or laptop bag, instead of dragging around each mobile device’s wall charger. Polarity: positive tip, negative sleeve.