Book Light, Rechargeable Clip-on Reading Light, LED Reading Light with Adjustable Brightness, 3 Light Colors, Portable Book Light for Kids Reading in Bed. Night Reading Light Three Colors, Dimmable. The black reading light can be adjusted to three colors, white, warm white and natural white. Press the button once to change the color, long press the button and hold it for more than 2 seconds to adjust the brightness. Different brightness levels can be adjusted according to your brightness needs when reading in different scenes. Fast charging time, long use time. The book light uses a Type-c power source to power the built-in 400mAh battery, which only takes about 1 hour to fully charge. It supports 8-20 hours of lighting at the lowest brightness, which fully satisfies your lighting needs during reading. Book lamp clip. You can use the clip on the back of the book lamp to illuminate your books and enjoy reading without worrying about the light affecting your roommate or others, because the light body has a silicone bendable rod, so you can bend it to any position or angle you want to illuminate. It can be adjusted 360 degrees, without dead angles. Soft light, no glare. The brightness of the reading lamp is 100 lumens, the book lamp provides natural soft light when you are working, no flicker, no glare. Convenient storage. The clip-on book lamp has a wire groove on the side to store the bendable rod, you can store the rod in the wire opening, you can always take this book lamp with you, it takes up very little space, because this lamp is only the size of a car key. It is suitable for study, reading, work, travel, camping, etc. Product Name: Black Clip Lamp Power Supply Mode: USB Rechargeable, Built-in 400mAh Battery, Input DC 5V 0.5A, Charging Time: 1 Hour, Use Time: 8-20 Hours, Brightness: Warm White + White + Cold White, 100 Lumens, Control Mode: Button Control with Dimming, ABS+PVC + Silicone, Color Options: White or Black, Product Size: 4.6*1.73*8 cm, Package Size: 4.9*2.5*8.3cm 44g, Carton Size: 28*26*19cm(100pcs) Net Weight 4.4kg / Gross Weight 4.7kg