Sony Ericsson on Tuesday took advantage of the run-up to CTIA to introduce the MS500. The one-piece device is the Swedish company's first speaker meant for the outside and has both a hardened shell as well as a carabiner strap and power that can come through two AA batteries for up to 5 hours. The 2W unit is intended for stereo Bluetooth from computers and phones that support A2DP but can also b
