Features: USB3.0 straight head extension cable with switch, faster and more stable transmission and more convenient control. Supports charging and data transmission without frequent plugging and unplugging, reducing contact loss. Suitable for USB3.0 interface devices, such as computers, USB fan chargers, and more, backward compatible with USB2.0 and USB1.1. Environmentally friendly PVE material casing, soft and durable, easy to bend, not easy to deform or break; pure copper cores, reinforced joints, not easy to rust, durable. This USB3.0 extension cable is small and lightweight, portable design, making it perfect for travel, daily use, and office work. Specifications: Name: Straight Head USB3.0 Extension Cable Connector: Pure Copper Connector Material: Environmentally Friendly PVE Wire Diameter: 4.5mm Wire Core: Pure Copper Cores Cable Length: 10cm, 30cm, 50cm, 1m, 1.5m, 2m (Optional) Length: 10cm/3.94 \", 30cm/11.8 \", 50cm/1.64ft, 1m/3.28ft, 1.5m/4.92ft, 2m/6.26ft Note: Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before ordering. Please allow slight color difference due to different display resolutions. Package Includes: 1x USB3.0 Extension Cable with Switch