Opti-Clean Cordless Rechargeable Power Plaque Remover includes 3 Exclusive "Triple-Clean" Brush Heads with Patent-pending technology; Interproximal Brushes clean in and around teeth; Polishing bristles soothe tooth surfaces; Subgingival brisles clean under gumline; Easy push-on design; Color Indicator Ring; Recharges on its own compact storage base; UL listed.