The Tzumi 10000 mAh Pocket Juice Portable Power Bank is a sleek black power bank with 4 USB-C ports, making it compatible with a universal range of devices. Made of lightweight plastic, this power bank has a slim design and measures 4.5 inches in length and 7 inches in height, with a weight of 4.7 ounces. It comes with a charging cable and offers multiple mounting locations for convenience. With a voltage of 5V and a compact size, this Tzumi power bank is a practical and efficient solution for on-the-go charging.