EasyAcc 2600mah Battery Handheld Fan Portable Battery Operated USB Fan Mini Personal Fan Outdoor Electric Fan with Rechargeable LG 2600mAh Battery Adjustable 3 Speeds Foldable Home and Travel -Black With High Capacity LG 2600 mAh Rechargeable Battery(ONLY EasyAcc)Ensures 10 hours wireless working time : works 3-10 hours on a full charge, rechargeable for hundreds times and ensures safe using. PS: other handfan's battery is ONLY 2000mAh in the all amazon market. NOTE -- Please open the battery cover and take out the insulator before using the fan, or the fan can't work. Multifunctional - Indoor desktop fan and outdoor portable fanFoldable handle design, convenient to hold in hand, and also fits your handbag with its palm-size. Or just fold the handle and put on the desk. Convenient Charging - Compatible with all USB output deviceWith the USB charging cable, works with and could be recharged by 5V output adapter, USB charger, laptop, computer, power bank and other USB-enabled devices. Strong Airflow 3 adjustable - One Year Warranty Low-medium-high speed level. Adjust appropriate fan speed by pressing the power button repeatedly..EasyAcc offers one year warranty against defects for the item, please be believed that we always stand behind our product. Making your experience RISK-FREE!