Built-in 4 cables included 3 output cables and 1 input cable, the 3 output cables can charge almost for all types port devices. With digital led display feature, no more hassle of guessing the remaining battery and you can recharge battery pack in time conveniently. This power bank is designed to be compact and portable, making it easy to carry around in your pocket or bag. The aluminum exterior gives it a premium look and feel. To promote your company, we offer the option to imprint your company logo on the power bank. 3 1/2"L x 3 7/64"W x 1 1/16"H