Slim desgin, Desk,bed,outdoor, wherever you are, it offers convinience Soft light lampshade, it avoids direct led light to protect your eyes Soft and bendable silicone body, it easy to use anywhere It can be used for any 5V USB prot. Laptop,powerbank or usb charger etc. Average Life : 50,000 hours Brand: RiaTech Product Type: 5 Pack USB LED Color: Various Colors Connector Type: Mini USB Use For: Night Book Reading, Night Light, Night Work It comes in 5 Pack: Press the dimmer switch to cycle through five brightness levels. Long press the dimmer switch to turn the light off.