▶ Shell Color: Silver; Total Length: 35cm(13.78in); Material: Metal; Energy-saving design, the working current only needs 30mA. Long-life , life can reach more than 100,000 hours; ▶ Small size, light weight, very easy to put in a briefcase or folder; Applicable to laptop or personal computer with USB interface, compatible with USB1.1 and USB2.0 ▶ Plug and Play: just plug in the USB port to turn on the USB scanner. To turn off the USB scanner, ply unplug the USB connector. ▶ Flexible metal bellows can be rotated in all directions, freely bent, adjusted angle, without the need for clips, adhesives and other fixing methods, flexible and convenient! ▶ High-bright white can ensure clear vision in the dark. When you go online or play games at night, turn off the headlights and plug in such a USB light to protect your eyes from fatigue and save electricity. Can not affect the rest of others, let you enjoy the fun of the network and games