Axon Hearing Aid (V163)
This device channel digital sound processing allows the user to control volume. Filter out unwanted noise caused by airflow or wind Deliver direct powerful and smooth sound right into your ear. Affordable gearing amplifier fit easily in your pocket or handbag - On/off switch - Volume Dial - Mini Microphone - Battery Cartridge (1 x AG13 cell included) - Two sized earbuds for personalized fit - Max sound output: 129 +/- 5dB - Sound gain >= 45dB - Distortion <= 5% - Frequency range: 300~4000Hz - Noise <= 23dB - Current <= 5mA (voltage 1.5V)