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NTT docomo HISTORY SQUARE / "mova(R)" serues 201

NTT DOCOMO History Square exhibits the history and historical background of the mobile phone, which has become an essential feature of daily life. Mobile phones from different periods are on display. (For more information, see the February 2008 issue of the PR magazine pla-topia.) http://history-s.nttdocomo.co.jp/

 

The mobile phone became thinner and lighter at an accelerated rate, and a type lighter than 100 g appeared for the first time in the world.
Lithium ion batteries began to be used for the models in this series, and the battery standby time was extended substantially. The standby time was extended to about 200 hours when the battery was fully charged. The maximum battery standby time is 700 hours at present.