About this item 【Bladeless Desk Fan& Fan for Bedroom】This Table Fan features innovative turbine technology to maximize air movement and provide powerful wind throughout the stuffy space.Applied bladeless design,never worries about hurting fingers and provides protect for baby or pets. In addition,four rubbers on the bottom of the pedestal help reduce vibration and increase friction, which keep the fan firmly in place to ensure,doesn't slip over when working even at the high speed. 【Fan for Desk& Desk Fans Small Quiet】The Bladeless desk fan equips with ultra quiet motor, it produces extremely low noise during operation,it sounds more balanced and soothing than traditional noise.Set it on your office,bedroom or home,providing cool refreshing airflow while without disturbing your sleep, work and study.Enjoy better breathing, better mood and better life. 【Smart Touch & 3 Modes】The Desk Fan easily adjusts speed by touch control so that you have three options (high-medium-low),it will always keep you cool at the low speed, the medium mode can better relieve the stuffiness,the high speed is strong enough to cool you down quickly after heavy sweat.Smart touch provide tailored cooling-off experience,you're worth it. 【Battery Operated Fan& USB Rechargeable Fan】This portable fan is powered by USB, plug it into wall outlet to charge,faster and safer. Different from other products on the market, the fan has a 4400mAh battery, fully charged battery lasts up to 4.5~12 hours (depending on different wind speeds and using habit).USB fan is energy-saving and environmentally friendly, no matter where you are, it can provided cool air! 【Table Fan& Ideal Companion Silent Fan】The small tower fan has a sleek white finish that easily complements almost any space, including everything from simple workroom to modern decor. ABS + PC material, don't worry about the dust covered the fan, easy to clean,durable and lightweight 【Note】 1. Please use a 5V2A adapter for charging. 2. To extend battery life, do not use while charging.