Touch Sensor Control: Touch Sensor Switch is applied to this desk reading light. Short press touch sensor to adjust the brightness. It has 3 different brightness level(Low-Medium-Highest) to adjust, which try the best to offer the black On/Off button backside. Soft Balanced Light: Energy-efficient and eye caring LED creates a uniform non-flickering light which wont hurt your eyes. High quality LED bead make them reliable and provide about 50,000 hours long operation, no bulb need replacement. Unique Mood Light on Lamp Base: Long pressing touch sensor to turn on the warm mood light, which could help you relaxing yourself after a long time reading or working. It will acts as a charging indicator and flash with multi-color light when being charged. Lightweight & Portable Design: With lightweight portable design, this lovely desk lamp is equally used at home indoors and out. Flexible yet sturdy goose neck makes it 360 degree bendable, more convenient to light the right position you want. This desk lamp is suitable for office, beside, school, working and reading, etc. USB & Rechargeable Light: Enjoy your wireless 8 Hours reading without charging (at low brightness setting) with its built-in 1000mAh rechargeable battery. Thanks to micro USB design, it can be powered by laptop/computer, power bank, phone charger, car usb ports and etc.