... change21. Special function: Unique design of the plug-and-play keyboard, High-speed MTK6235 chip, Global multi-system compatible ... group message sending, voice recording, WAP, handwriting + keyboard input, radio play, Bluetooth function, GPRS download, MMS, memory expansion, E- ... book, incoming call firewall, dual card, dual standby and dual Bluetooth, display land ownership of incoming call, IP talk, ...