Stable and Reliable Connection This cable is for connecting a USB DAC to an Apple device for lossless output up to 192k/24bit. Perfect for when connecting products such as the FiiO BTR3K/BTR5/03/ Q5s-TC/K9 Pro to your iOS devices for brilliant results.. *USB devices that consume more than 200mA are not supported. Please do not use this cable to charge Apple devices. *Disable USB charging of FiiO devices through the FiiO Control App for the best experience. Soft and Skin-friendly for a comfortable grip Made from refined skin-friendly materials, you can feel the softness when holding it in your hands, its material is also more resistant to bending with better resilience. Aluminium Alloy housing for Durability Both the cable connectors are made of carefully selected aluminium alloy material, leading to a stronger metallic texture, yet being durable to use even after a long time.