The Anker Advantage: Join the 20 million+ powered by our leading technology. USB Power Delivery: Charges any current or future USB-C device at high speed. Utilizes E-marker chip to safely deliver up to 60W of power. Multifunctional: Supports SuperSpeed 5Gbps data transfer (send or receive an HD movie in under 5 seconds) as well as audio and 4K video signal. Ultra-Durable: Lasts 5X longer than other USB cables. Aramid fiber reinforcement makes it stronger and more robust. What You Get: Anker PowerLine USB-C to USB 3.1 Gen 1 Cable (3ft), welcome guide, our worry-free 18-month warranty and friendly customer service.