The Microsoft Kin One was announced in 2010, April With 2.6 inches, 20.9 cm2 (~39.9% screen-to-body ratio) TFT, Powered by Nvidia Tegra Its 5 MP, AF rear camera captured crisp photos and 480p@30fps video, while the Removable Li-Ion 1240 mAh battery ensured long-lasting usage.