search of a practical and professional reading light? Please do not miss this product. Made from ABS, metal, PC material, durable for long term to use. Non-flickering light can better good protection to your eyes while writing, reading, working, and studying, let you have satisfying using experience. Features -Color:Blue -Material:ABS,metal,PC -Size:10.30X3.50X1.50cm/4.05X1.38X0.59in -Note:Without USB line. -Voltage:3.7V. -Power:1W. -Electrical :40MA. -Irradiation Distance:1M. -Battery capacity:50MAH. - Light color: white, warm light, cold light. - Charging port:USB. - Made from ABS, metal, PC materials, this reading light is durable, can be used for long period. - Convenient and effortless, the rechargeable book light can be adjusted to different angles easily. - Safe to your eyes for satisfying using feeling while reading, studying, working, the LED reading light satisfy your demands. - Can be used as both reading light or night lamp, clip on design, save space, a good present choice for friends and relatives. - Adjustable light color, and this book light for you can be charged by computer, power bank and other device with USB port. Package list: 1 x reading lamp