Roborock S4 Newly Released – $40 off coupon

Newly released Roborock S4 is has $40 off coupon on Amazon bringing total cost to $360.
Vacuum Wars just rated the S4 as their favorite Roborock. Only difference between S4 vs S5/S6 is the mop feature: https://www.youtube.com/watch?v=OrqCoZhEksA
https://www.amazon.com/Roborock-P…B07TXGQS3H