Outside Personal Necklace Mini Fan around your neck and enjoy a cool breeze

Just hang the fan around your neck and enjoy a cool breeze. It won't swing back and forth or hurt your neck while you walk. A must-have for travel, outdoor. Can be adjusted 180 degrees up or down, keep you cool and calm on the go. Works for 4-8h, say goodbye to AA batteries and save your money! Can be powered and recharged by any 5V output USB device (such as a power bank, computer, etc.) Welcome to custom your logo.