Fan blade diameter:

XH-18 clip fan (black) without battery

XH-18 clip fan (black) with battery 1200 mA

XH-18 clip fan (black) 1.5 m charging cable charging head (5V1A) without battery

XH-18 clip fan (black) charging plug-in dual-purpose 1.5 m charging cable charging head 5A1A battery 1200 mA

XH-18 clip fan (blue) without battery

XH-18 clip fan (blue) with battery 1200 mA

XH-18 clip fan (blue) 1.5 m charging cable charging head 5V1A without battery

XH-18 clip fan (blue) charging plug dual-purpose 1.5 m charging cable charging head 5V1A battery 1200 mA

XH-18 clip fan (white) without battery

XH-18 clip fan (white) with battery 1200 mA

XH-18 clip fan (white) 1.5 m charging cable charging head 5V1A without battery

XH-18 clip fan (white) charging plug uses 1.5 m charging cable charging head 5V1A battery 1200 mA

XH-18 clip fan (green) without battery

XH-18 clip fan (green) with battery 1200 mA

XH-18 clip fan (green) 1.5 m charging cable charging head 5V1A without battery

XH-18 clip fan (green) charging plug-in dual-purpose 1.5 m charging cable charging head 5V1A battery 1200 mA

XH-18 clip fan (pink) without battery

XH-18 clip fan (pink) with battery 1200 mA

XH-18 clip fan (pink) 1.5 m charging cable charging head 5V1A without battery

XH-18 clip fan (pink) charging plug-in dual-purpose 1.5 m charging cable charging head 5V1A battery 1200 mA

Color:

4 inch clip fan [old Micro USB interface]]

4 inch clip fan [new Type-C interface]]