Specifications:Name:Rechargeable USB clip fanPower supply:DC5VInput:1AReted power:5WBattery type:2x18650 Li-ion batteryBattery capacity: 5000mAh (2500mAh*2)Noise:40-50dbFan speed:Low,Mid,HighWorking time:5h-11h-38hCharging time:6hMaterial:ABSColor:Black/BlueSize:180mmx155mmFunction:Speed switch:(ON-LOW-MID-HIGH-OFF)Timing switch:(ON-LOW-MID-HIGH-OFF)Files display:(LOW-MID-HIGH)Timing display:(1H, 2H, 4H) Feature:- Brushless motor, stable wind speed and fast speed- 7 fan-leaf design, stronger wind power and less noise- 360°adjustable, easy to use, can be clipped to the desktop, stroller and other fixed positions- 1-4hours timing function- Detachable, easy to clean, more secure to use- 5000 mAh large-capacity battery, fully charged for 5 hours, suitable for baby carriages, bedroom travel outdoors- Multiple power supply modes: Suitable for any USB input device, such as: laptop, mobile power, mobile phone adapter, etc. Package included:1 x Rechargeable USB clip fan1 x Cable1 x Manual