Features: USB to DC5521 power cord is suitable for 99% of 5V round hole digital devices on the market, providing a convenient solution for charging various low powered electronic devices. Only supports 5V charging and does not support data transmission. Including 12 types of adapters, Micro USB, Mini USB, 2.0x0.6mm, 2.5x0.7mm, 3.5x1.35mm, 4.0x1.7mm, 4.8x1.7mm, 5.5x1.7mm, 5.5x2.1mm, 5.5x2.5mm, 6.3x3.0mm, 6.4x4.0mm. Made with quality materials, resistant to bending, not easily broken, and durable for long service life. Suitable for speakers, desk lamps, facial cleansers, fans, mobile phones, HUB splitters, tablets, etc. Specifications: Material: Plastic Color: Black Cable Length: Approx. 1m/3.28ft Package Includes: 1 Set USB to DC5521 Power Cable with 12pcs Adapters note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.