This lot of 20 black USB 3.0 SuperSpeed cables features a 6ft round cable with USB-A to USB-B connectors and is perfect for connecting your devices. The cables come in black and are compatible with most computers and devices. Each cable has a output voltage of 12V and is made by the brand Dell. The cables are ideal for those who are looking for a reliable and high-speed option for transferring data and charging their devices. This lot is perfect for anyone who needs multiple cables and wants to save money in the process.