A USB charger with keychain is a 2 in 1 product that is a very useful product and it is used for transferring and saving the digital data from the laptop, desktops, notebooks, and vice versa. It is very convenient to use with the help of the cord and organize the keys in the keychains and carry them smartly anywhere. This is a daily used product which will provide high visibility to any brand name, so most of the marketers use this product as one of the best promotional product to enhance their business and reach their target audience.