The TFT based Sony Ericsson W850i comes with a sleek design and it is very easy to operate this device. This phone displays up to 256k colours in the size of 240 x 320 pixels. The dimensions of this gadget are 98 x 47 x 21 mm and the weight of this product is 116gms. An advanced feature of Sony Ericsson W850i is infrared port that is used for sending and receiving data through infrared light. It also offers other features like Bluetooth technology with A2DP and USB for transferring data to another device. Sony Ericsson W850i has a unique feature i.e. TrackID that is helpful in finding detailed information about the songs and music artists. The eAAC+ feature helps in reducing the time of downloading data or pictures. This product is a 3G phone that supports up to 384 Kbps data speed.