Dear customers, Hello, I'd like to remind you that the current of 3A belongs to fast charging, but whether it can reach the current of 3A depends not only on the length, but also on the charger adapter. If your charger is 5v-2A output, it's difficult for this cable to reach the charging speed of 3A.But it's faster than the 2A cable. Safety: The Fire Fast Charger Cable : Charge at The Same Time at The Fastest Speed on Your Devices. The Cables Core Ensure Superior Data Transfer with Fast and Stable Charging Compatible: Note: USB Type C Connector, Only Replacement for New Fire HD 10 Tablet and New Fire HD 10 Kids Edition (9th generation - 2019 release),Fire HD 10 Tablet 10Plus and Kids Edition (11th generation - 2021 release),Fire HD 8 HD8 Plus (10 th generation 2020)10 Kids Pro 8 Kids Pro and other USB C Phones and Tablets.Including Galaxy S10/S9+/S9/S8,MacBook 12'', Galaxy S10/S9+/S9/S8 3A Fast Charging Cord, Providing a Much Faster Charging And Data Exchange Than Other Generally CablesSpecification :USB C Charger Cable 2Pack , 2x 6Ft Please believe in our after-sales service. If there is any quality problem in the product within 1 year, please send us an email, and we will solve it for you, refund or resent.