Lenovo unveils Ideapad S2, the S2 smartphone.

Lenovo has officially outed the IdeaPad S2 slate, which is direct competitor to the Asus Transformer duo and the S2 smartphone, which is a midrange Android Gingerbread-running device.

The S2 IdeaTab is a 10" slate running on Android 4.0, just like the Transformer Prime, has an 1280x800 LED-backlit IPS panel, Snapdragon 8x60 chipset with dual-core 1.5 GHz Scorpion CPU, 1 gig of RAM, SSD internal storage of up to 64 GB, a 5 MP autofocus snapper on the back and a quoted battery life of up to 9 hours.

What makes the IdeaTab S2 a Transformer rival is the optional keyboard dock, which has another battery built in. Thanks to that dock, the S2 can last for up to 20 hours on a single charge.

The S2 smartphone was already for announced China last month. It runs Android Gingerbread on a single-core 1.4 GHz processor, has a 720p-capable 8 MP sharpshooter on the back and boasts Kernel-level security, meaning it will be harder for users to fall prey to phishing, data theft, SMS traffic and the likes.