Multi-purpose Portable Fan: This portable fan is ideal for personal cooling, office, GYM Outdoor Activities, such as camping, trips, hiking, climbing and watching sports etc. . Your satisfaction is always our priority, and we will do our best to resolvethe issues. Hands-Free Design & Fashion: Hands-free USB fan was designed as headphones to free your hands anywhere. Personal fan weighs about 12.35 oz(350g). You wont feel uncomfortable or tied when you hang the fan for a long time. This cordless headphonesfan makes you look so cool and its perfect for indoor and outdoor activities. Fashionable and Classy: This neck fan comes with the construction of lightweight, soft, skin-friendly, and flexible silicone material. So you can also easily adjust the band as per your requirements. It is a fashionable and classy neck fan that youcan wear when traveling; fashion style makes you look so cool. 3 Wind Speeds Adjustment: The newest design fan have Low/Medium/High 3 speeds optional, the high-performance motor generates ultra strong wind at a maximum speed of 5000 RPM, while maintaining at a fairly low noise level (less than 57dB). Embedded muchsafer turbo instead of visible fan blade, whereas the spacious air outlet provides far better efficient cooling effect. USB Charging & Adjustable Wind Speed: The wearable hanging neck fan is built-in 4000 mAh lithium polymer battery, which can be charged by the USB interface of a mobile power supply or laptop for 3 hours. Built-in low/medium/high three-speed windspeed mode allows you to experience a whisper-quiet, gentle breeze and the super-strong wind of instant cooling feeling. The working time lasts from 6 hrs(depend on different speeds).