USB C to lightning adapter cable, it about 0.7ft(20cm) length, using this cable, you can connect 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/Q3/Q5s-TC/K9Pro to your iOS devices for brilliant results. PS: Please do not use this cable to charge Apple devices.