Panasonic KX-TG7643M + 3 KX-TGA660M HANDSETS (6 Handsets total) DECT 6.0 PLUS Link-to-Cell Bluetooth Cellular Convergence Solution Cordless Phone System (KX-TG7646M, KX-TG7642M + 4, KX-TG7643M + 3, KX-TG7644M + 2, KX-TG7645M + 1) (Certified Refurbished) This Certified Refurbished product is tested & certified by Panasonic to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty. DECT 6.0 PLUS SMART WALL MOUNT TONE EQUALIZER Intelligent Eco Mode