Mini amplificateur de son pour aide auditive Invisible Volume réglable assistant auditif pour les personnes âgées malentendantes RUIOIU

Features:
Adjustable support volume, easy to adjust the volume to meet your needs.
Comes with different types of earplugs to fit different ear sizes.
Comes with a charging case to charge the device anywhere and anytime.(The charging case is without built-in batteries and is powered by most USB devices.)
Easy to use and operate.

Features:
Material: plastic
Color: skin color, black, white (optional)
Quantity: 1 pair
Maximum sound output: 115 +/- 3dB
Sound gain: ≥28dB +/- 5dB
Total harmonic wave distortion: ≤3%
Frequency range: 300-3500 MHz
Input noise: 32dB
Voltage: DC1.5V
Current: ≤2mA
Hearing aid (each): Built-in 25 mAh rechargeable batteries
Charging time: ≤6 hours
Working time: ≤16 hours
Package size: 170 × 90 × 50mm / 6.69 × 3.54 × 1.97in
Package Weight: 210g / 7.41 ounce

Notes:

The charging case is without built-in batteries and is powered by most USB devices.
Due to different monitors and light effects, the actual color of the product may be slightly different from the color of the image, thank you for your understanding

Packing list:
1 pair × hearing aid
1 × Charging Case
6 × earplugs
1 × small brush
1 × charging cable
1 × User Manual (English)