Certification: CEMax Input: 40WShell Material: MetalFeatures: wireless charge,Built in Cables,Digital displaySupport Quick Charge Technology: Two-way Quick ChargeInput Interface: USB Type C,USBOutput Interface: Four Usb,Wireless ChargerBattery Type: Li-polymer BatteryBrand Name: TollcuuddaOrigin: Mainland ChinaType: Portable Power Bank Wireless Fast Charging Power Bank 30000mAh Portable Charger Built Cables 4USB D