The device shown 4000mAh Double Ended Spray Fan, also known as a cold air fan or a mist fan. It is a portable, USB rechargeable fan with several features: Double-ended design: It has two fans that can be adjusted independently. Three-speed settings: It offers three levels of fan speed. Spray mist function: It can spray a fine mist to cool the air. LED light: It has built-in LED lights for illumination. Rechargeable battery: It has a 4000mAh battery that can be recharged via USB. Optional remote control: Some models may include a remote control. Water tank: It features a 280ml water tank for the misting function. Ice filling option: Some models allow for ice to be added for extra cooling. Oscillating function: It can oscillate to distribute air more evenly.
