Sony engages in the development, design, manufacture, and sale of electronic equipment, instruments, devices, game consoles, and software for consumers, professionals and industrial markets. One such equipment is the Sony voice recorder ICD -BX140 which has the following features:
- Built-in 4 GB flash memory. Automatic record level settings
- Up to 4,175 Hours of maximum recording time. Low Cut Filter for reduced wind effect
- Mono microphone for 75 Hz–15 kHz audio response
- Features built in monaural microphone. Battery life for recording mp3 128 kbps is 28 hours. Battery life for recording mp3 192 kbps is 26 hours
- Voice Activated Recording for hands-free recording. Noise Cut mode helps provide clear speech playback