Light Harmonic LightSpeed 10G USB Audio Cable (Split 0.8m) 10Gbps rated bandwidth 99.9997 percent pure copper conductors 30 micro 99.9 percent Gold Plated A Grade Phosphor Bronze USB Connectors If you break it, we'll replace it. Warranty is lifetime and transferable, no matter how many times its been traded, sold or given away. No sales receipt or proof of purchase needed. LightSpeed USB is light, flexible, and a serious over-achiever, outperforming the competition, and exceeding all future standards. In real-world listening rooms, it's easy to install and performs beautifully. You WILL hear the difference even if you think all USB cables are the same.