CIRYCASE Reading Light, USB Rechargeable Clip on Book Light, Dimmable Eye-Care LED Reading Lamp, 7 LED 3-Level Brightness (Warm & Cool), Touch Switch, 360° Adjustable Goose Neck for Reading in Bed

【Eye-protected for Your Kids】Special warm white color is designed according to ocular principle, for less eye strain or short-eyesight. No worry about secret reading in bed at night, the LED book light is a faithful eye protector.
【3 Color & 3 Brightness Adjustable】Simply touch the sensor button to switch between 3 lighting modes (①3 warm white LEDs, ②4 cool white LEDs, ③7 mixed LEDs). Long touch the sensor button to adjust the brightness (20% - 100%), perfect for different reading environments.
【360° Flexible Gooseneck】Upgraded 360° bendable silicone goose neck clip desk lamp allows you to position your light anywhere you want. Only 63g of weight, its mini size and compact design also makes it easy to carry on, you can take it to anywhere you like.
【Smart USB Rechargeable】With built-in 600mAh battery, it only takes about 2 hours to get a full charge and support up to 12 hours lighting(at low brightness setting). With the included cable, this bedside book light can be powered by any USB charger, such as Notebook PC USB, Power Bank, Mobile Phone Adapter, Android USB Port, Car USB and more.
【Widely Used】The clamp opens up to 1.57 inches and clips on book perfectly and tightly. Great for bedside, Kindle, laptop, shelf, bed etc. The inside of the clip has anti-skip mats to leave no marks on your books or device, while preventing the clip on book light in bed from slipping.