• This fan has 3 adjustable wind speeds, fit for your daily demand
• 360° surround air duct, making you cool in the hot summer
• Turbo AR cooling system: The airflow is compressed and then released, and the air volume is 3 times higher than that of ordinary fans
• Built-in 4000mAh large capacity battery, can be recharged via attached cable

Specifications:

• Material: ABS+metal
• Battery capacity: 4000mAh
• Input: DC5V/1A
• Usage time: about 3.5-15 hours
• Charging time: about 4-5 hours
• Product size: 221 * 203 * 53mm