The latest gadget from Sony Ericsson comes in the form of a portable speaker. Known as the MS500, the device is available in orange and black or chic white and pink color combination. The MS500 has a durable splash proof shell and a handy strap which can be hooked to a bag or hung from the wrist. The speaker also adopts Bluetooth technology that functions as a remote control to change tracks and control the volume. The Sony Ericsson MS500 Speaker is compatible with most Bluetooth-enabled handsets from Sony Ericsson and other brands. It requires two AA batteries that last for approximately 5 hours. No word on pricing so far.