Key features: • 20000mAh high-capacity battery • 20W Power Delivery fast charging • Dual USB-A output ports • Multiple input options (Type-C and Micro USB) • Compact design with textured surface • LED power indicator • Model GL-PB20B with 11000mAh rated capacity According to the packaging, the power bank has dimensions of 138.6x67.5x15.5mm and weighs 407g, making it pocket-friendly despite its high capacity. The device supports multiple charging protocols with output specifications of DC5V/2.1A for both USB ports. It features ABS+PC material construction for durability. The package indicates it comes with a 2-year warranty and complies with RoHS certification standards for environmental safety.