(Telecompaper) Chinese smartphone maker Xiaomi has launched its Mi 4 smartphone. Powered by the Android KitKat OS, the Mi 4 will initially be available in China. The device features a 2.5GHz quad-core Qualcomm Snapdragon 801 processor, and comes with 3GB of RAM, 16/64GB of onboard storage. The phone is also 4G-enabled. The Mi 4 also sports a 5-inch full-HD display with a 1,920x1,080-pixel resolution. The phone includes a 3,080mAh battery, and charges from 0 to 60 percent in an hour, the company says.