1. With super bright lamp, bright but soft light, quick light-on without blinking, eye sight protection, long life of 50,000 hours.
2.Flexible metal stand for any-angle adjustment.
3.Safety power source with DC5V, power saving.
4.Multi-power sources, can be powered by USB on desk-top, laptop, HUB and with DC jack for using adaptor(110V-220V, 50-60Hz),(adaptor is optional).
5.With low noise fan, separate switch control, no harm to body.
6.Buy-one-get-two item benefits you get tender light in sync with cool-down air