ChiTronic 5MM Ultra-thin Rechargeable LED Desk Lamp with 28 LED Lamp beads 210&deg; Fold-up (Sliver) This lamp consists of 28 LED Lamp beads which are more friendly energy-saving, super bright and wisely protect your eyes from stroboflash and radiation. Based on human body 's joint structure design concept, its lamp holder can be freely 210 fold-up, which can provide us with wider luminance scope. Really an excellent assistor for everybody's study and reading. With Built-in rechargeable battery, connect Micro USB charging port via attached charging cable with your own universal power adapter/PC/power bank etc. There is a LED indicator shows the charging status. Red light means it is charging while green light means it completes charging. Normally it takes 3 hours to get it fully charged. Compared with the traditional style,this desk lamp is power on/power off via a touch-button which is easier to control. It is classified into three brightness levels: high brightness, medium brightness and low brightness,working time lasts 2 hours, 4 hours and 7 hours accordingly. High-quality,delicate and lightweight. Made of ABS rubber which is smooth to the touch. Durable and stable base so no worry about its tumble. Ideal as a gift because of its nice and solid wrapped package.