Product Description Multi-use. Stable base can be used to stand on its own or clip to a book, shelf, cupboard, pianos, music score, or computer. Rechargeable. USB cable is included. No battery replacement. Portable. its built-in rechargeable lithium battery means it can go where you go. Easy to use. Flexible arms let you position the light for best viewing without disturbing others nearby. Multi-function. Ultra-bright 8 LEDs provides a clear, bright spotlight for reading in the dark, enjoying hobbies, camping, or using a keyboard. Protect eyes. Natural and Non-flickering light. 4 brightness levels. Tap the buttons on each light head to choose brightness. Charging time: No less than 3 hours. Discharging time. About 5 hours for full brightness, 10 hours for half brightness and 20 hours for a quarter brightness. Extremely long life. Lowers maintenance costs by reducing re-lamp frequency. Eco-Friendly. No lead or mercury. No UV or IR Radiation EAN: 4894495006915 Package Includes: 1 x Clip-on LED Book Light with built-in rechargeable lithium battery 1 x USB charging cable Note: To ensure the discharging time of the battery, please fully charge the lamp before using it for the first time. Please don't use the light during charging.