Watch the video on how the Merry amplifier works.
Features:
- Up to 40dB amplification
- Buttons for power, volume up/down, listening mode
- Adaptive noise reduction
- Feedback cancellation
- Rechargeable Li-Ion battery
- Up to 20 hours of use
- Weight: 0.45 oz
- Dimensions: 1.4" W x 1.25" H x 0.6" D
- Earbuds included