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DECT 6.0 Plus Technology
Takes the superb sound quality and outstanding range of DECT 6.0 phones to a new level. We've increased the frequency of error correction up to 80x, improving sound quality and extending transmission range.

Power Back-Up Operation
What happens to your phone when there's a power outage? Not to worry. With the KX-TG66771, featuring Power Back-Up Operation so you can still make and receive calls from the base unit corded handset when the power goes out.

Intelligent Eco Mode
This clever new feature automatically lowers the power consumption when you're using the handset close to the base unit. Not only does it extend the available talk time, it's good for the environment. When less power is used by the handset to communicate with the base unit, battery life is prolonged which results in less frequent charging and can result in fewer batteries in landfills.