This portable charger from ROMOSS is a powerful external power bank with 40000mAh capacity. With fast charging capabilities of up to 18W PD, it can charge your devices quickly and efficiently. The charger comes in a sleek black color and supports USB-C connectivity. It is perfect for those who need to stay connected on-the-go and is compatible with a wide range of devices. It is a must-have accessory for anyone who needs reliable and fast charging capabilities.