Lamps descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Led Table Lamp -usb Charging Folding- Small Desk Light. Features €¢ Simple Geometric Line Design, Both Beautiful and Sturdy €¢ Built-in 1800mAh Large Capacity Lithium Battery, Standby Time Up to 40 Hours €¢ Reading Mode 4 Hours of Use, Computer Mode 8 Hours of Use, Living Mode 40 Hours of Use €¢ Easy to Carry, Three Charging Methods, Charging Treasure, Computer, Power Supply Can Be Charged, Light and Flexible, Easy to Carry €¢ Charging is Safer, and the Power is Automatically Cut off when the Temperature Reaches 48 €¢ 120 ° Dimming €¢ Rendering Index Up to Ra90 Standby Time Up to 40 Hours, LLightweight and Portable, Three Dimming Modes, Package Included As Image . Products number : SOMONO106165