You may also charge within the two USB-A ports at just one end – at a total of 18W, so charging two or three (a single wireless, two wired) devices will split that power output. Simply just place your device on top of the charging coils of the wireless power https://modernsmarthealth.com/product/computers/power-bank/battery-capacity/15001-20000mah/besiter-power-bank-20000-mah-for-xiaomi-mi-2-quick-charge-3-0-powerbank-portable-charger-external-battery-for-iphone-pover-bank/