Welltop 5-inch Portable Clip Fan Rotatable Clamp Fans USB or Battery Powered Table Fan Rechargeable Desktop Fan Personal Cooling Fan Clip on Fan Clip (Black) NOTE: Remove Insulation Cover Before Use

Specifications: ? Dimensions:190×150×100mm ? Weight: 270g ? Gear adjustment:stepless adjustment ? Input voltage: DC 5V ? Output voltage: DC4V-6V ? Output current: 0.35A-1A ? Power: 3.5W ? 18650 Battery voltage: 3.7V ? Battery capacity: 2200mah ? Wind power at 1M: ?2.5m/s ? Effective distance: ?2m ? Power supply: USB/18650 Lithium battery(included) NOTES? ? Please REMOVE the plastic insulation of the battery and fully charge the fan before first use. ? There is only one mode available when it is powered by USB but serveral modes by stepless adjustment when it is powered by Battery. Note: We have our logo"Welltop" on the product.If you receive the item without our logo, please complain to Amazon directly Package includes: ? 1 x Welltop® USB or 18650 Battery Powered Portable Fan Clip-on fan ? 1 x USB charging cable ? 1 x 18650 rechargeable battery ? 1 x user's manual The item has been well tested, examined and packaged by Welltop before sending off. If there is any problem, welcome to contact us, we would provide the best service for you.