3 Color Temperatures & Stepless Dimmer: Each lamp head has an independent switch. Long press to adjust brightness. Features 3 color temperature modes: warm light (3000K), natural light (4500K), and cool white light (6000K). The reading lamp automatically recalls the last used color temperature and brightness. Rechargeable & Durable: With the included USB cable, charge the reading lamp like a mobile phone, eliminating the need for batteries. The built-in 1000 mAh battery provides up to 80 hours of working time (depending on settings), offering consistent light without frequent recharging. Ergonomic Design: The neck lamp design keeps your hands completely free, without neck pressure. Its ergonomic shape and non-slip pad ensure a comfortable fit around your neck, remaining lightweight and comfortable even for extended use. Advanced anti-glare LED beads protect your eyes while reading. Long Flexible Arms: The reading lamp features 360° flexible arms, allowing you to direct light precisely where needed. Easily select the optimal light angle for different environments, creating your perfect brightness. Weighing only 128g, this reading lamp is compact and easily foldable into a backpack or bag. Friendly Partner: Each lamp head has an independent switch, allowing you to illuminate only one side, minimizing disturbance to your partner or spouse. No more nighttime reading in bed disrupting others. Perfect for avid readers. An excellent gift for partners, children, parents, and friends.