Features: Made of aluminum metal and highly transparent acrylic seal. Gorgeous open circle design, flat and modern. Soft light, no flicker, easy on the eyes With USB cable, convenient powered by PC/laptop/power-bank/adapter. Portable eye-caring desk reading lamp, work lamp, study lamp for kids. Also decorative lamp for bedroom bedside living room office. *There are 4 versions in different prices for your option, pls pay attention when you place the order. 1.ON/OFF Version: only for on/off 2.Dimming Version: on/off; long press for stepless dimming 3.Touching Version: on/off; touching 3 brightness levels 4.Remote Version: on/off; 11 brightness levels; 15/30/60min timer remote battery: 1*CR2025