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Features: note: the temperature fan can not customize the messages. Gently adjust the flexible neck to position the cool breeze any where you wish. Super compact & lightweight. USB port powered, no external power supply needed. Four phases messages loop display. Durable soft fan blades for safe usage. No drive, plug and play. Convenient on/off switch. Color: silver. Specifications: USB powered, flexible gooseneck, quiet electric motor, soft blades for safety, working volt: DC 5v, working current: ≤350ma, switch: key switch.