The product adopts 30 energy-saving, high brightness and Long life SMD lamp beads. The reading lamp has 3 Mode Light: White Light, Warm Light and Warm White Light. Short Press the touch switch to adjust the color temperature. Long press the touch switch to adjust the brightness of the light. The product has features of over voltage, over temperature, over current, polarity and short circuit protection. It has an inbuilt charging status indicator which glows red while charging and turns green when fully charged. The product is powered by highly durable 18650 Lithium battery which can be charged through USB Type-C charging port. With the help of the auto-protection circuit the charging is cut-off when voltage is higher than 4.2V.