Features:2 in 1 LampThe desktop lamp with fan is a compact and convenient accessory for different tasks and occasions. It is a combination of functions of most lights and fans, one for all lighting and cooing purposes.Adjustable brightness and wind speedThe lamp comes with 3 grade brightness and wind power adjustable to suit your different lighting demands for various occasions. It can last for 3-4 hours in the lowest grade and is very reliable.Quiet operationThe mute motor helps the lamp operating at a very low noise which is quieter than normal adults whispering so that it can be used in study, library or dormitory without disturbing others.Dual power modeThe lamp can be powered with the built-in 2000mA lithium battery or with a USB cable. The long lasting battery can power the device for 3-10 hours continuously(depends on the wind and light level) after only 4~5-hour charge making it portable to use in different places like library or on bed.Specifications:Type:Table lamp with fanQuantity: 1setMaterial: ABS+SiliconeColor: Green/Pink/whiteRated Voltage: DC5VWorking Current: 750-900mAPower: 5WColor Temp: 6500-7500KLuminous Flux: 200LMBattery: Built-in 2000mA lithium batteryCharge Time: 4-5 hourWork Time: 4-10hours(lamp), 3-7hours(fan)Size: 160*400mm/6.29*15.72inch(D*H)Weight: 470g/16.58ozPackage: 1* Table lamp with fan1* USB cable1* Manual1* Package box