Smarter:Android 2.1, more than 100,000 software are available ... .G-sensor Built-in G-sensor, and Touch Vibration Feedback function.System Android 2.1, more than 100,000 software are ... -16GB, TF card extendable 1GB-16GBGame Support games for Android systemVideo Support HD 1280*720P, RM, RMVB, AVI ... , UMD, FB2Language Multiple language packSpeaker Built-in speaker and MICBattery Lithium battery 1900mAh