PD3.1 CHARGING: USB C to USB C cable adopts PD3.1 charging technology, 240W, which can meet the needs of fast charging, data transfer speed up to 480Mbps. E MARK2.0 CHIP: 6.6ft USB C extension cable with E Mark2.0 chip can maximize the safety of your device, and it can also be charged quickly. PROTECTION: The USB C cable ensures a lower charging temperature to prevent damage to the device and automatically stops charging when the device is fully charged to prevent overcharging from damaging the device's battery. WIDE COMPATIBILITY: 240W USB C to USB C fast charging cable is compatible with all high power to low power (240/200/180/140/100/60W) devices. ABRASION RESISTANT: The nylon knitted and fiber core ensures that the USB C to USB C cable is resistant to abrasion and splitting while withstanding 50,000 bending tests. Easy to store, you to easily roll it up and place it in a bag or drawer.