(TrendHunter.com) The Sony SRS-XB13 speaker is a highly portable audio solution for avid outdoor explorers looking to easily enjoy their choice of music or content from virtually anywhere. The beach-friendly speaker... (TrendHunter.com) The Sony SRS-XB13 speaker is a highly portable audio solution for avid outdoor explorers looking to easily enjoy their choice of music or content from virtually anywhere. The beach-friendly speaker...