1Touch switch: Click the first button for white light, click the second button for warm light, click the third button for natural light, and click the fourth button for off. Double?click to turn on the purple light of the pen holder, and then double?click to turn off the purple light. 2Provides high?quality LED energy?saving lamp beads, no flicker, no dark area, protect your eyes from fatigue and long lifespan. 3Flexible hose of this portable LED desk lamp can be bend at any angle, allows you to adjust your table lamp with ease and to direct the light wherever you want. 4Regardless of age, children or grandparents, the touch‑sensitive light can be easily controlled by people of all ages. It is the perfect and comfortable lighting when you are reading or bright work lights. 5It is small and lightweight, foldable and portable, which means you can easy to carry it wherever you go. Suitable for bar, restaurant, living room, study, office, camping, etc.