Versatile USB to DC5V charging cable designed to power a range of 5V devices from a USB power source. It features multiple barrel tip options to fit common connectors. Key features and specifications Connector tips (DC barrel sizes): 5.5x2.1mm, 5.5x2.5mm, 4.0x1.7mm, 2.5x0.7mm, and 3.5x1.35mm Polarity: inner positive, outer negative for stable power delivery Current support: up to 5V 3A charging current Length options: six lengths from 30 cm to 300 cm to suit different setups Power source: designed to be powered from a USB port or USB power adapter delivering 5V What it solves Enables reliable 5V device charging and operation from common USB power sources Matches a wide range of devices with standard DC barrel connectors, reducing the need for multiple adapters Provides flexible reach with six length options to fit desks, shelves, bedsides, and workstations Compatible devices and applications Suitable for devices such as smartphones, speakers, desk lamps, facials cleansers, electric toothbrushes, and fans Ideal for home or office use to keep essential devices powered and ready Use scenarios Desktop setup: connect a USB power source to a 5V desk lamp or Bluetooth speaker using the appropriate DC tip for a clean, single cable power solution care devices: power facial cleansers or electric toothbrushes from a USB charger or power bank with the correct tip and length for convenient bedside or bathroom use Small appliances and gadgets: run a compact 5V fan or similar 5V device from a USB port on a computer, smart hub, or USB charger with the right connector size Durable and practical design Built to provide a stable, reliable power connection with polarity protection Flexible lengths and multiple connector options help organize cables and reduce clutter Suitable for everyday use in both home and office environments while delivering consistent 5V power to compatible devices