Stepless Dimming & 3 Colors The book reading light has three color temperature modes, cool white, warm yellow, warm white. Each head has an independent induction switch, short touch to adjust the color mode, long touch to adjust the brightness. For reading, knitting, camping, etc., you can choose a cozy environment as you like. Rechargeable and lasts 80 hours. The rechargeable LED reading light bed has a built-in 1000mAh rechargeable Li-ion battery for up to 7 to 13 hours of wireless playback time (up to 80 hours at the lowest brightness!). Standard micro USB cable included. Flexible Arms & Light Weight: The reading light is covered with high-quality soft silicone, it can be bent, folded into any shape, and easily illuminated in different environments. Weighing only 95g, the flexible reading light does not take up much space and easily fits into your carry-on suitcase, making it the ideal choice in every way. Hands-free – with the neck of the reading light, you no longer need to hold