Specifications: Model: F95B Speed Mode: 3 ranges Output power(MAX) : 4.5W Working time(H): 2-4-8 Battery Specification: 18650Li-ion Battery installation: removable Charging time(H): 5 Dimension(mm): 140*106*42 N.W.(g)(including battery): 188 G.W.(g)325 Packing size(mm): 145*125*72 Packing List: 1*main fan engine 1*battery 1*charger 1*charge cable 1*manual Operating instruction Yellow button:battery activation button Green button:Click shift button after activate battery,the fan will cyclic shift,press once to change a speed the program is "power on-1 speed-2 speed-3 speed-power off" Red button:Quick shutdown button.This red button is also replacing the fans which are without yellow one. Working mode indicator Charging indicatorlight,red light for charigng,green light tor fully charged Portable power,USB output Note: 1.The work mode indicator will bi flashed if it is in low battery,If you keep on using,the fan will automatic shutdown to protect the systen when the power exhausted 2.The lithium ion battery is without memory function,it is available whenever you want to charge 3.Fan blades will be at high-speed rotation when it is working.not allow any foreign matter into the fan,otherwise ,is may be serious damaged. 4.If don't use the fan in long time,please fully charge the battery and remove it from the afan,store in a COOL&DRY place 5. It is strictly prohibied the battery using under ambient temperature over 60 degrees,and non-extrusion or disassemble the battery.Otherwise,it will lead to environmental pollution or explosion 6.In order to ensure the performance and service life of the product,please use our company specified accessories