Feature:1. Flexible Gooseneck: This clip on reading light is designed with flexible gooseneck, which allows you to bend it flexibly at any angle, ideal for reading in different environment.2. 3 Light Modes: This clip on book light supports 3 light modes which emit soft light without flicker, shadow and glaring. It won't strain your eyes and your eyes even with prolonged use.3. USB Charging: This clip on light for book with 400mAh battery supports USB charging, and can be connected with power bank, laptop and charging adapter, etc.4. Wide Application: This book reading light with clip is small, light and portable, suitable for family, bedroom, office, dormitory, travel and camping, etc.5. Durable Material: This clip on LED book light is made of strong PVC and ABS material. Flexible design make it easy to carry and store in a backpack without taking up space.Specification:Item Type: Clip On Reading LightMaterial: ABS, PVCRated Voltage: 5VRated Current: 1APower: 3WUse: Ideal for Clipping on a Book While Reading at Night or in Dark EnvironmentBattery Model: 1 x Lithium Battery(Inbuilt Battery Included) Battery Capacity: 400mAhProduct Size: Approx. 8 x 5 x 1.7cm / 3.1 x 2.0 x 0.7in ( Manual Measurement, Slight Error May Exist ).Package List:1 xClip On Reading Light1 x USB Charging