4-in-1 Keychain Charging USB Cable.Measuring 5.1″ in length, this compact and versatile keychain is Aluminum Alloy + Nylon Braided Rope. It features a USB data cable charger that supports multiple devices, allowing you to effortlessly charge your phone, tablet or other gadgets. The keychain attachment ensures that your charging cable is always at your fingertips, making it an essential accessory for travel, work and everyday life. 100% guarantee for quality