romoss 20000mah power bank 3usb external battery with led portable charger for all iphone x samsung s6 android phones

we are professional manufacturer ,we offer : good quality product,fast delivery. vip service, 100% quality control, always ready for wholesaler.this product is hight quality and good product,welcome to our shop,any question please feel contact me,thank you specification: 1. battery type: li-polymer battery 2. capacity: 20000mah 3. input: dc 5v/1a 4. output: dc 5v/1a,5v/2a,5v/2.5a we accept mix order please note the colors,pls choose what colors u want when placing order ,or we will send them randomly,thank you very much