PCM-A10 [High-Resolution Linear PCM Recorder PCM-A10 16GB] Brand: SONY Usage: Business, Music Recording Built-in Microphone: Stereo Linear PCM: Compatible with Linear PCM recording format IC Recorder Features: High-Resolution Recording, Low-Cut Filter, Limiter, Smartphone Compatible, Bluetooth Compatible, PC Connection Compatible, USB Charging Compatible Maximum Recording Time: 636.0 hours Supported External Memory: microSDHC, microSDXC Weight (g): 82.0 g Power Supply: Built-in Battery This is the SONY linear PCM recorder, the PCM-A10. It has been opened, but is unused. All accessories and the instruction manual are included.