Book light, rechargeable clip-on reading lamp, LED reading light with adjustable brightness, 3 light colors, portable book light for children reading in bed. Night reading lamp three colors, dimmable. The black reading lamp 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 environments. Fast charging time, long usage 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, fully satisfying your lighting needs during reading. Book light clip. You can use the clip on the back of the book light to illuminate your books and enjoy reading without worrying about the light affecting your roommate or others, as the lamp body has a bendable silicone 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 reading lamp's brightness is 100 lumens, the book light provides natural soft light when you work, no flicker, no glare. Convenient storage. The clip on the book light has a wire groove on the side to store the bendable rod, you can store the rod in the wire opening, you can always carry this book light with you, it takes up very little space, as this lamp is only as big as 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, Usage time: 8-20 hours, Brightness: Warm white + White + Cool 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, Packaging size: 4.9*2.5*8.3cm 44g, Carton size: 28*26*19cm (100pcs) Net weight 4.4kg / Gross weight 4.7kg