"Mm, for the first time, about three hours, but after that, the units are programmed to go into their charging units whenever they're not performing a specific task. They're also supposed to be able to calculate how long it'll take to accomplish their tasks and whether or not they'll have the necessary energy for it, so if they're running low, they'll automatically notify the user and go to their charging station."

"RUMU Unit active. Detecting users: Two. Good morning, users. Please state identification." The unit stated in a crisp, formal voice.

"Oh, so it's not the same unit.. hrm. Well they're connected wirelessly to the database, so .. Good morning Rumu!~"

Whirr, whirr, the RUMU unit swiveled, its little antennae ears popping up to turn in Alisa's direction. "Searching.. Voice Print, Alisa Reinford, Identified." Another pause, and then the friendly mechanical voice returns, "Good morning Alisa. RUMU is happy to see you."

Alisa giggled, "... Okay that's really cute."