About Product:1, long-life LED, life up to 100,000 hours; 2, flexible metal bellows can be made full direction, adjust the angle of rotation, free bending without clips, adhesive and other fixing methods, flexible and convenient! 3, and volume small, and weight light, convenient carrying, very easy put into Briefcase or folder in; 4, and without external power, directly from by insert of USB mouth take electric; 5, and can soft illuminated keyboard and does not effects around other people; 6, and highlight white LED can guarantee dark in the vision clear, in you night Internet or playing game of when, off big lamp, plug Shang such a USB lamp, protection themselves of eyes not easy fatigue, and also savings electricity, and can not effects others of resting, Let you enjoy networking and game fun ...