Portable and Powerful: Slim and lightweight design for easy everyday carry essentials. Battery capacity: 3400mah. Stackable for Flexibility: Strong magnets snap accessories on/off to layer together or interchange for individual use. Side Port for Extended Functionality: USB-C port for simultaneous charging and stand use ensures no downtime for continued use and productivity. Share the Power: Quick detachment and reattachment allows for sharing a boost with friends. Mobile Style for Daily Carry: Minimal design and slim contours complement sleek device lines. Soft vegan leather provides a satisfying touch.