Brightness Adjustable Each head owns an independent switch for 3 brightness levels dimmable. You can choose a comfortable setting as you wish for reading in bed, knitting, camping, or repairing etc. Illuminate the smallest area with bright enough light to protect privacy without disturbing your sound asleep partner at night. Eye Caring & 4 LEDIdeal reading light, Our book light is equipped with 2 LEDs on each head. The flicker-free and blue light-free LED prevents adults and kids from eye strain., not only reduce eye strain but also help sleep friendly. This neck lamp equipped with 4 upgraded LED to deliver more uniform luminance than normal LED. Hands free & Ergonomic Design Just wear the light around your neck when you read or mend, no need to hand- or mouth-hold a flashlight, or wear a headlamp anymore, helps to focus on what you're doing without worrying about the light. Ergonomic streamlined design of the lamp head enhances the illuminating effect during reading, allows you to position & focus light exactly where you want. Flexible Arms & Portable Pocket Reading LightThe book light for reading in bed covered with premium comfortable soft ABS, sweatproof & wearability bendable and strong, it can be wound, twisted, folded into any shape, simple to create the perfect illumination for yourself angle in different environments. Lightweight, can easily fit your carry-on suitcase or pocket , it is an ideal choice for all aspects.