A handheld vacuum cleaner is a great choice if you live in a smaller apartment. This vacuum cleaner has a normal noise level of 78 decibel.
From OnBuy
Gtech ATF037 Cordless Multi Handheld Vacuum Cleaner,Multicolour(Grey/Green/Black)
Freenet Electrical
Gtech Multi Mk2 K9 Cordless Handheld Pet Hair Vacuum Cleaner
stuart westmoreland
Gtech Multi Mk2 K9 Cordless Handheld Pet Hair Vacuum Cleaner