[ Updated 6 level brightness and 3 color mode] Book reading light in bed has 3 color light mode and 6 level brightnessWhen it is long pressed for a gradual part, it transitions from the brightest to the darkest settingChoose cold white for deep operation, hot white for handicrafts or hot white for comfortable lighting Flexible arms and portable mobile reading light] Book reading lights in bed are covered with first class comfortable soft rubber, sweating and wearable, bendable and powerful, wrapped, bendable, folding in any shape, and creating perfect lighting angle for yourself in different environmentsOnly 0 lb weight fits easily into your handbag or pocket, an ideal gift selection in every aspect Hands are , eye convenience feature and not disturbing others] To read in bed with book lights, you no longer need to hold a flashlight in your hand or mouth, when you read or repair the light to your neck, helps you to focus on what you do without worrying about lightThere is no tremor with advanced LED beads and no blue light filter designFor both children and adults, there is no longer eye fatigueThe narrow beam angle (90 °) design allows you not to disturb your deep sleep partner Updated A+ battery and rechargeable] Rechargeable USB book lightThe inclusive first class rechargeable built -in 1000mAH battery provides power up to 100 hours (normal reading) without reducing brightnessYou don't need to spend money on the batteries