Features: USB2.0 male to female extension cable with power on off switches, faster and stable transmission and more convenient control. Support charging and transmitting data, 480Mbps speed, without frequent plugging and unplugging, reducing plug loss. Environmental protections plastic material, soft and tenacity, easy to bend, not easy to deforme and break; reinforced joints, not easy to rust, durable. This USB2.0 extension cable is small in size and lightweight, portable designed, makes it great for travel, daily use and office work. Suitable for computers, laptops, mobile power supplies, USB chargers, car navigation connection, USB card readers, USB drives, mouse, keyboards, card readers, networks cards, USB fan, USB lights, etc. Specifications: Name: USB3.0 Male to Female Data Extension Cable Material: Plastic Length: 100cm, 300cm(optional) Cable Length: Approx. 100cm/3.28ft, 300cm/9.84ft Wire Specification: 4 cores 28AWG OD:3.2mm Transmission Speed: 480Mbps Package Includes: 1x USB3.0 Extension Cable with Power On Off Button note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.