Flexible AnglesThe LED head of rechargeable LED reading lights can be rotated 45 degrees up and down, 90 degrees left and right, and the base clip can be rotated 120 degrees upwards. low to direct the light in any direction to get the best reading experience. 3 Color Temperatures & 5 Brightness LevelsReading light is paired with 5 super bright LED beads high quality that distribute light evenly across the pages of the book. In addition, lamp offers 3 color temperatures: warm light (2800K), natural light (4500K) and white light (6000K), as well as 5 brightness levels (20%, 40%, 60%, 80%, 100%) to adapt to different reading environments. Timer FunctionReading book light can be programmed for half an hour to facilitate control of reading time. Reading light can also be used as a bookmark or mini-torch. Whether you are in bed, on the plane or in your room, the clip-on reading light provides ideal lighting. USB ChargingThe Reading Book Light has a built-in 500 mAh battery and can be recharged via USB port. It can be charged directly to a laptop, power bank, car charger or USB socket, without requiring additional cables. 3 hours is enough to fully recharge the e-reader for 10 to 80 hours of use. Lightweight DesignE-reader lamp for reading in bed has a mini size of 10.5*3.5*1.6cm and weighs only 45g. It folds flat and has a slim profile, making it ideal for carrying in your bag and reading in the back seat of a plane, train, or car while traveling.< /p>