4-in-1 colorful charging cable with LED key chain for most phones on the market, can charge 4 different devices via USB port at the same time. You don't need to carry your existing data cable to do the charing, when you are in a car, office or travel outside; providing convenient and practical service in your daily life. Premium quality cable work with almost all power bank brands. Connect your smart phone with your PC/ laptop by USB port, lightweight, portable, convenient. Put your custom logo to make it unique !