VK4000 is a cellular one with numerous functions like as an example the directed access to Internet from cellular thanks to the GPRS and the WAP protocol 2.0/xHTML. The Bluetooth technology of which it arranges, allows to transfer voice images and video to you between two peripheral ones equipped of a Bluetooth solution all without threads. As an example the present rubrica to the inside of a portable computer or a telephone can be automatically synchronized with that contained one in the PC of the office hardly makes return you. Moreover, it has multimedia games, messages mms, download images, Java support, polyphonic sounds and Mp3, Mp3/AAC reader and vibration. The presence of integrated camera VGA with a resolution allows to take photo of dimensions until 640x480 pixel.