LED reading Lamp forpow Rechargeable Portable Golf-shape Flexible Eye Care book light,Touch-Sensitive Control, USB Cable,3 brightness,3w,DC 5V/0.5A,2 Hour Timer (AC Adaptor Not Included ) 3 LIGHTING BRIGHTNESS: Cold/Warm/Natural white modes cover work, reading, writing,relax and other scenes you need in a whole day.Ideal for the office, study, bedroom, and more. TOUCH-SENSITIVE CONTROL PANEL: Controls over 3 Lighting Modes are all done button-free on the touch-sensitive panel. LONG LASTING ILLUMINATION:the lights can last for at least for 10 hours and the power supply can be quickly recharged by USB or electrical outlet. The battery comes with a protective circuit to prevent overcharging, discharging and short circuits. Invest in this rechargeable light that will accompany you everywhere thanks to its lightweight high quality material.nice reading light for bed. PORTABLE LAMP,FLEXIBLE TUBE: you can take it everywhere, flexible arms make it easy to fold up in order to store compactly in your computer bag, handbag, or traveling bag; the Firefly is ideal for kids and adults, at night or when traveling (planes, trains, cars...), MULTI USE: Ideal individual lighting for not disturbing others while sleeping or your neighbor when traveling in a crowded train, plane, or bus. A good piano lamp too.