Rechargeable Digital Hearing Aid Voice Adjustable BTE Sound Voice Amplifier Behind Ear Sound

Specifications: 

Color: Blue, Beige(Optional)

Charging Type: USB charging

Charger: DC 5V/50MA-1A

Battery: Lithium battery 60MA

Size: 45×40x10mm

Weight: About 6. 5g

Max Sound Output: 129±4dB

Sound Gain: 38±5dB

Total Harmonic Wave Distortion: ≤5%

FrequencyRange: 400Hz~3800Hz

Input Noise: ≤28dB

Voltage: D.C.3.7V

Current: ≤2mA

 

Tips:

1. Do not remove or replace the built-in lithium battery

2. The power adapter and the main unit have a certain amount of heat during the charging process, which is normal.

3. Charge for at least 4 hours at the first time, and then use out completely . After three consecutive times, the battery can be used optimally.

 

Package Included: 

1x Voice Sound Amplifier Device (High Quality Box Package)

1x Plug

1x USB Cable

1x Brush

1x User Manual