Review on Enhance Navigation: FourAmZ Boost Smarts - Self Charging & Compatible Features by William Pacino

Terrible terrible. The worst I've bought. It doesn't clean well and is constantly tangled and sticky. It is very loud. Worse than a handheld vacuum. Spend a little more and buy a better product. Update: the seller is very polite and willing to make things right. He has since refunded my money and offered to send me a new one to try. I declined as I already had the ones I had and wanted a refund.