Features: USB3.0 Straight Head Extension Cable with On/Off Switch for faster, more stable transmission and convenient control. Supports charging and data transfer 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 housing, soft and durable, easy to bend, not easy to deform and break; pure copper cores, reinforced joints, not easy to rust, durable. This USB3.0 extension cable is small in size and lightweight, with a 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 wire 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. Make sure you don't mind before ordering. Please allow for slight color differences due to different monitor resolutions. Package Includes: 1x USB3.0 Extension Cable with Switch