Concerning this item A 25X more durable* USB-C charging cable than standard cables Silicone technology that is extremely flexible prevents kinking and tangling. tested to withstand more than 25,000 bends. For a Samsung S21 Ultra, the silicone USB-C to USB-C fast charger cable supports USB-C Power Delivery, enabling rapid charging rates of 0–50% in 26 minutes. comes with a two-year warranty and a cable clip to keep things neat.