Qi-Certified To Deliver Up To 10W Of Wireless Charging Power To Phones, Earphones, Or Other Devices On The Go. Hi-Speed Usb Charging: Plug Into Either A Usb-C Or Usb-A Port To Give Your Phone Or Tablet A Powerful Charge Of Up To 18W. Desktop Mode: Use The Powercore As A Wireless Board By Connecting To A Power Source Via The Usb-C Port. Wirelessly Charge Your Device While Fully Recharging The Powercore Internal Battery.