Charcoal Black: This color represents mystery and elegance. It conveys a sense of authority and dignity. It is a stylish color that easily harmonizes with other colors. At least 4x fast charging! With this Xtorm Go2 Power Bank and its enormous capacity of 20,000 mAh, your charging stress will disappear instantly. The 15W FastCharge ensures that your devices are fully charged in no time, and at least 4 times with a single charge! Use the USB-A and USB-C ports to quickly charge two devices simultaneously. With the pass-through function, you can power one device while the Power Bank itself is being charged! No outlet? No problem! Utilizing the latest technologies, the large capacity of 20,000 mAh fits into this compact Go2 Power Bank. It easily fits in your bag or backpack. On flights, the Power Bank takes up hardly any space and fits perfectly in your carry-on luggage. The perfect accessory for a day at the beach, a city trip, or a long walk in nature. If there is no outlet nearby for an extended period and you want to make full use of your mobile devices, then this is your Go2 Power Bank! Go2 can do it all! With the right cables, this Power Bank is suitable for any type of smartphone, earbuds, or other small mobile devices. Thanks to the USB-A and USB-C ports, you can power two devices simultaneously! Whether you have an older or newer model from Xiaomi, OnePlus, Samsung, or iPhone, this Go2 has enough energy to charge your phone at least 4 times from 0 to 100%! The LED lights indicate how much energy the Power Bank has left, so you know when it's time to recharge the Go2. Extended lifespan through FastCharge: With the 15-watt FastCharge function, your mobile devices are fully charged super quickly. This feature also extends the lifespan of your battery.