3 color temperature stepless dimming: each lamp head has an independent switch, long press to adjust the brightness. 3 color temperature modes: warm light (3000K), natural light (4500K) and cold white light (6000K). The reading light automatically turns on at the last color temperature and brightness turned off. Rechargeable and durable: with the included USB cable, the reading light can be charged like a mobile phone, no need to spend money on batteries. Built-in 1000mAh battery provides up to 80 hours of working time (depending on your neck reading light settings). This saves you from having to recharge with an un-dimmed light every day. Ergonomic Design: The neck light design allows your hands to be completely free and stress-free on your neck. The nackenlampe lamp adopts ergonomic design and non-slip cushion, which makes the book fit your neck, which is light and comfortable, and will not cause discomfort even if you use it for a long time. Adopt advanced anti-glare LED light
