No weight, no sweat! Just go with the flow of the cool breeze this summer with this mini fan! What's more, it is bladeless which means no spinning blades just a cool continuous breeze. Chill it with Whirlwind... The Cool Blade-Less Mini Fan! DETAILS: It is made of tough ABS Polymer. Desktop Stand included. It is lightweight and portable and easily fits in your handbag. Has a USB port that can be used as a phone charger using the stored power. It comes in size:22 x 6 x 6 cm/8.66 x 2.36 x 2.36. Rechargeable, no batteries required. Rechargeable built-in battery: 3.7 V, 2000 mAh. Charging mode: USB charging cable included. Charging time: about 2 hours. Wind power: Adjustable 3 speeds.