Japanese toy giant Takara Tomy has unveiled what could be the ultimate unnecessary accessory for your tablet or smartphone – a mini Roomba-like cleaning "robot" called the Auto Mee S. The gadget features two rotating cleaning pads which can clear away greasy fingerprints and annoying dust particles, and it's smart enough to automatically turn around when it reaches the edge of your device.

Back in 1986, the company sold a cleaning robot called the SO-G, or Dustbot (not to be confused with this Italian robot), that would push a little broom around and actually vacuumed to clean up your floors. It was too small and slow to really clean a room, but it made up for that with its cute appearance.

Likewise, Takara Tomy claims the Auto Mee S, measuring just 2.75 inches (7 cm) in diameter, will clean a smartphone in about four minutes or a tablet in eight minutes ... which would only take a couple of seconds if done by hand.

Set to hit Japanese stores in late March, the Auto Mee S comes in white, pink, orange, and blue and will cost ¥1,575 (US$16.85). It runs on a single AA battery (not included).

Source: Takara Tomy (Japanese) via Akihabara News

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