Panasonic KX-TGA670B -Extra Handset for KX6700 Series (2-LINE) - Black

5.8 GHz digital spread spectrum operation * Hold and Mute on handset * Chain Dial (link groups of numbers together, such as calling card numbers, PINs, and other access codes) * NiMH rechargeable battery (up to 5 hours of talk time per charge) * black finish * Panasonic KX-TGA670B -Extra Handset for KX6700 Series (2-LINE) - Black