The Sony SRSXB13/L is a compact portable Bluetooth speaker designed for mobile audio delivery in office, field, and event environments. Part number SRSXB13/L; cylindrical form factor measuring approximately 4.6" × 2.3" (H × D). Wireless connectivity via Bluetooth 4.2 supports pairing with laptops, tablets, and smartphones within standard range. The speaker delivers up to 5 hours of battery runtime on internal rechargeable lithium-ion cells, with USB-C charging. Output emphasizes mid-bass frequencies through passive radiators; rated at approximately 5W RMS. Passive voice coil and extra bass modes provide acoustic flexibility for conference room presentations, portable media playback, and site coordination. Standard 3.5mm aux input available for wired connection. IP67 dust and water resistance suits deployment in warehouses, outdoor facilities, and field offices. Compatible with Windows, macOS, iOS, and Android devices. Typical applications include mobile IT technician coordination, branch office audio reinforcement, and emergency communication systems. Tested and guaranteed; available via quote.