usb mini fan small student dormitory desktop mini rechargeable clip fan for office desk household small electric fan

f39a oscillating (oscillating direct-plug model) + charging plug f39b (rechargeable, 1800 mah, with a charging plug) f39b (rechargeable, with oscillating head, 1800 mah) f35a (non-rechargeable) f35b+ charging plug (rechargeable single battery) f35b (rechargeable single-cell battery) f39s (rechargeable, with oscillation) 2400 mah f35a+ charging plug (non-rechargeable) f39s (rechargeable, with oscillation) 2,400 mah + charging plug f39a (oscillating straight-insertion model)

6 inches