Charge your usb 20 usb c devices such as your macbook or chromebook from a usb c ac wall charger this usb c to usb c cable lets you charge and sync your usb type c devices its also compatible with thunderbolt 3 ports connect your newer usb c mobile devices such as the nokia n1 tablet and nexus 6p and 5x phones to your computer the cable delivers up to a 3 amp charge and supports data transfer speeds of up to 480mbps with up to 3a of power output this usb type c cable can also