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color 1 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? color 2

color 3 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?color 4

USB fans， metal mute， like how to turn a 360-degree turn on how the pursuit of quality and exquisite design， air volume comfort， a wide range of application scenarios， home life， study and work necessary

Material: Stainless steel