This new Big Button Talking Calculator allows you to go back and listen to the data functions. Easy to use with color coded buttons, this calculator is easy to see and hear for both hard of hearing and low vision users.• Repeat allows you to listen to the most recent entry.
• Auto replay will replay data entry for the whole function.
• 3 volume settings, off/low/high, to adjust to your preferred level.
• Earphone jack (earphone/headphone/ear bud not included).
• Unit or digit reporting setting.
• Operates on 2 AA batteries, not included.
• Designed to automatically power off after 5 minutes of idle time. "