This is a portable LED lamp which can be used on bed, on desk or carried outside. It has a USB interface to connect with PC, tablet, phone or power bank. When connecting with power bank, the light can be turned on / off by power switch on the bank. The light is bright but soft to avoid eyes discomfort caused by direct LED light and the flexible lamp body can adapt to various situations. As a lamp, it is so light and so thin that you can take it when traveling. It will also be a good gift for your friends.