USB 3.0 A/M to A/F 1.UL/ ROHS/ ISO 9001 passed 2.OEM accepted and spec customized 3.manufactor with best price USB 3.0 A/M to A/F1. Connector: zinc alloy plated, gold plated2. Conductor: pure copper3. Edition: USB 3.0 optional4. Gauge: 30AWG. 28AWG, 26AWG optional5. Length: 0.5m, 1.5m, 2m, 5m Customized6. Jacket color: blue and black, also can accord your requestment