Cordless Range Hood: Our portable range hood has a built-in 3600mAh battery, which can support power failure for 2-3 hours. It supports 2-speed wind speed settings, and it is competent for both plug-in and power-off use. Space Saving: Cordless range hood is different from ordinary range hoods. Its light and compact volume greatly saves space and gets rid of the limitation that it can only be used in fixed places. Efficient Filtration: Rechargeable range hood adopts activated carbon filter cotton, which has strong adsorption and can filter oil fume efficiently. Filter cotton can be used 4 to 5 times, each machine is equipped with 5 pieces of filter cotton. Widely Application: Desktop range hood's portable size and built-in large-capacity battery can meet your needs in a variety of scenarios, whether it is outdoor barbecue, camping or indoor hot pot, cooking, it can be perfectly competent. Lower Operating Noise: Desktop range hoods can work more quietly than ordinary range hoods, with a maximum noise of only 55 dB. Don't worry that it will disturb the meal, enjoy the barbecue and cooking.