that is in contact with user 39 s back swivel arm extendable and retractable hose assembly 3 this unit allows the user to have a better control of the tools in use permitting free rotary movements like up down and sides this is because it is located to the side and bottom part of the vacuum system when extra hose extension is need it its swivel arm 3 has an extendable retractable hose 3 a inside it can be use instantly without the inconvenience of searching for an additional piece to attach saving time and effort making this vacuum cleaner system efficient and effective cordless version in the present invention it is a new variant of the mentioned vacuum cleaner system above it could be use without the necessity of being plugged to an electric outlet in the wall that limit 39 s the area of cleaning depending on cord 39 s length 32 the present invention uses a rechargeable battery pack 17 located at front of the shoulder straps of the vacuum cleaner to compensate the weight of the vacuum cleaner apparatus on the back of the user the next device is a novelty for the vacuum cleaner cordless version this new gadget works as an electric generator that is attached jointly to the exhaust vents 34 of the electric motor 1 turbine 1 a assembly in this position the generator 14 uses the air flow generated by the turbine 1 a assembly then this air flow comes out of the exhaust vents 34 and is canalized to rotate the generators turbine 39 s.