Item Type: Handheld Fan Material: ABS Speed Mode: 2 Modes Battery Type: Leadacid Battery (Inbuilt Battery) Battery Model: 225 Battery Type: 500mAh Usage Time: 30 Minutes Charging Time: 2 to 3 Hours Product Size: Approx. 20.9 x 9.5cm / 8.2 x 3.7in ( Manual Measurement, Slight Error May Exist ) 1?��USB Charging: This handheld fan adopts 500mAh battery and supports USB charging, which can be connected to PC, power bank and charger. 2?��Ergonomic Design: This mini portable fan features ergonomic design with rounded curve, which is comfortable to hold. 3?��2 Speed Modes: This hand held fan provides 3 adjustable speed modes that could meet your different needs, easy to control. 4?��Detachable Base: This mini handheld fan is designed with detachable base, so it can be placed on the tabletop. 5?��Cool Experience: This portable fan is small and lightweight, it will sweep away the hotness and sultriness, bringing more cool experience.