The ILIFE A4s vs bObsweep PetHair comparison proves that these robot vacuums have many common features. Based on our rating, A4s has the overall rating of 6.2 out of 10 versus 6 for PetHair.
A noticeable difference between two models is the size, which is 31 x 7.6/12.2 x 12.2 x 3 (D x H) cm/inches for the A4s and 35 x 10.7/13.8 x 3.9 (D x H) cm/inches for the PetHair. The weight of the A4s is 2.2/4.9 kg/lbs, and for the PetHair it is 3.5/7.7 kg/lbs.
The ILIFE A4s is better robot vacuums in this comparison. Check ILIFE A4s price