Features: This USB extension cable features a unique independent double switches design, allowing you to easily control power supply of your USB-powered devices. With one USB2.0 port for data transfer and charging, and another port only for charging, this cable is perfect for wide ranges of USB-powered devices such as keyboards, USB fan and USB lights. Great for anyone who needs to charge or transfer data on multiple devices at once, perfect for students, professionals, gamers, and anyone else who relies on their USB-powered devices throughout the day. Perfect for use in a variety of settings, including home, offices, and classrooms where USB devices are commonly used, especially for gamers. This durable plastic cable offer reliable performances and easy operation, making it a must-have accessory for anyone who relies on USB-powered devices. Specifications: Material: Plastic Color: Black Length: 1m, 30cm(optional) Length: Approx. 1m/3.28ft; Approx. 30cm/11.81inch Connector: Male to Female Package Includes: 1x USB Extension Cable with Double Switches note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.