Includes new battery, filter, and 3 new bristle brushes. Including working charger (replaced <1 year ago) CLEAN SMARTER - The 600 series is a great way to begin cleaning your home smarter. Just schedule it to clean up daily dirt, dust, and debris with the iRobot HOME app or your voice assistant. - for effortlessly clean floors. LOOSENS, LIFTS, & SUCTIONS - The 3 Stage Cleaning system & Dual Multi-Surface brushes grab dirt from carpets & hard floors, an Edge-Sweeping brush takes care of corners & edges.