Ultra Compact, Slim and Lightweight: One of the most compact, slimmest, and lightweight 10,000mAh power banks that easily fit into your pocket. Digital LED Display: LED indicator clearly lets you know the remaining battery level in numerical value to take out the guesswork. Wide Compatibility: Micro B, USB A, USB C ports allow flexibility and are compatible with all mobile devices. Fast Charging: USB A output supports QC3.0 with max power 22.5W, more than twice as fast as 10W output. USB C output supports PD3.0 with max power 20W, optimized for charging the latest iPhones. Micro B and USB C inputs support 18W max, allowing quick re charge of battery.