Features: 3 COLOR TEMPERATURE MODESWith 3 color temperature modes, included yellow, warm white and cool white for different situations, moods and feelings. 9 BRIGHTNESS LEVELS9 brightness levels, and each head has 3 levels: general reading, brighter reading and precise working level for all ages and different uses. SMALL EXPOSURE RANGEThe exposure range is small and does not affect others, strong focusing ability, brighter irradiation range, more effective. HANGING NECK DESIGNIt adopts a hanging neck design, which can be hung on your neck for use, freeing your hands and making your reading more comfortable. USB RECHARGEABLEThe built-in rechargeable battery can be charged by connecting to a USB socket, power bank or computer, which is more convenient. Specifications: Material: plastic, flexible arm Shell color: grey Light color: yellow, warm white and cool white Size: about /6.1 x 5.31 x 2.75 x 0.74inch Powered by: built-in rechargeable battery Package Included: 1 pc x neck reading light 1 pc x data cable 1 pc x user manual Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.