LED NECK BOOK READING LAMP FLASHLIGHT[Comfortable and adjustable arm] The ergonomic neck support can be adjusted at any angle to attach it to the neck so that it does not move freely and comfortably hold the neck. It can also be set as a desk lamp. Function:3 brightness modes: 3 brightness modes (warm light,warm white light and white light) can be gradually adjusted according to your needs.COMFORTABLE TO WEAR AND MORE ARMS:Ergonomic neck stabilizer that can be adjusted freely,to fit around the neck or stand alone on the desk, hands-free and practical for reading,knitting, camping and creating.Battery:built-in 1800mAh battery, fully charged can last 8-80 hours at 100 percent brightness.Protect your eyes and don’t disturb others:This reading light does not tire your eyes, it simply illuminates your area,without worrying about disturbing the people around you. 1. Silicone hose 2. On/off key/light source adjustment/brightness adjustmentPress once to turn on, white lightPress second time, warm lightPress third time, warm white lightPress and hold to adjust brightness 3. Micro USB charging port [Eye care and do not disturb others] Children and adults no longer have eye strain, it is bright enough for the area you have placed and will not disturb your sleeping partner. Brightness adjustment can reduce the range of light without affecting the reading or sleeping partner. It can be given to your boyfriends or kids so they can have another lamp to read the necklace LED Specifications: Color as shown Battery: 1800mAh Packing list: 1x LED reading light for neck 1x C data cable 1x manual