Hign-concerned Chemical : None Power Source : Rechargeable Battery Is Batteries Included : Yes Light Source : LED bulbs Certification : CCC,ce,EMC,ROHS Origin : Mainland China Certification : RoHS,EMC,CE,CCC Item Type : Book Lights Features: ●【Standable and clip-on】：No need to hold your hands when reading at the bedside. You don’t have to worry about disturbing others when reading at night. It can be bent freely at 360° and does not deform at any bending angle. The clip-on design is convenient and can be used in a variety of environments. ●【Super Long Battery Life】：400mAh battery capacity, the product takes about 1.5 hours to charge. After it is fully charged, the low-brightness light can be used for about 24 hours, and the high-brightness light can be used for about 3-5 hours. ●【Three light modes】：white light/warm light/natural light, soft light, reducing eye fatigue, improving eye comfort, and making it easy to read at night. ●【Compact design】：Portable and effortless, easy to store. The size of 46*80mm can be placed in your bag and used anytime and anywhere. It can be moved at any time to accompany you when learning to read or walk at night. ●【Wide illumination】： wide-angle soft lighting, uniform without vignetting Description: Product name: Mini Book Light Product material: ABS+PVC+electronic components Product size approximately: 4.6x1.73x8CM Single product weight approximately: 32g Battery model: polymer lithium battery Battery capacity: 400mAh Rated power: 3W Rated voltage: 5V Rated current: 1A Data cable length: 0.25m Charging time: It takes about 1.5 hours to fully charge the product When charging, the red light stays on, and when fully charged, the green light stays on. After fully charged, the low-brightness light can be used for about 24 hours, and the high-brightness light can be used for about 3-5 hours. Note： 1. On/off key: The first press turns on the cool white light, the second press turns on the warm yellow light, the third press turns on the warm white light, and the fourth press turns off the light. 2. Stepless dimming: When the light is on, long press the button to adjust the light brightness. (The light has no memory function) There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolutions.