The Z550a is another quad-band world phone from Sony Ericsson, which supports GPRS for accessing the internet. It is equipped with a 1.3MP digicam with 4x digital zoom. The Z550a also provides a 262k color display, a full HTML web browser, an integrated music player can handle MP3 and AAC files, and supports streaming audio/video. In addition, the Z550a features a USB 2.0 interface and Bluetooth. You can use the phone to send SMS/MMS/EMS and even Email (POP and IMAP4 are supported). The external screen is a monochrome STN. Pricing information is not yet available. The Sony Ericsson Z550a cell phone should hit the streets very soon. Sony Ericsson Z550a is a phone for business and pleasure.