Soft to the Touch You have never felt a cable like this before. The silicone finish feels remarkably soft between your fingers as you plug PowerLine III Flow into your device. Super Strength Our softest cable ever is also one of our strongest. PowerLine III Flow has a 25,000-bend lifespan, more than enough to handle the stresses and strain of charging on the go. Bend It, Twist It, Flex It Remains tangle-free even when stuffed into a bag or pocket, or wrapped around a portable charger.