Introducing our high-quality external auxiliary battery, perfect for keeping your devices powered on the go. Crafted with durable aluminium, this battery pack boasts a sleek and modern design. With a capacity of 4,000 mAh, you can trust that this power bank will provide reliable and long-lasting power whenever you need it. Equipped with a convenient USB output and Micro USB input, you can easily charge your devices or charge up the battery itself. The LED charge status indicators allow you to easily monitor the battery level, ensuring you never run out of power unexpectedly. Included with the battery pack is a Micro USB charging cable, so you're ready to go right out of the box. Choose from a wide range of vibrant colors to match your personal style. Packaged in an individual kraft design box, this power bank also makes for a great gift. The instruction manual is available in both English and Spanish, making it accessible to a wider audience. Rest assured, our external auxiliary batteries are made with high-quality, non-recycled grade A batteries that have a service life of at least 500 charging cycles. We take pride in complying with CE regulations, manufacturing our products according to RoHS standards, and implementing various safety features. Experience the convenience and reliability of our personalized external auxiliary battery today!