Power by a 45mAh LR41 Button Battery, convenient and fast, long battery life.
Simple mini design, fashionable color matching. It's not just an invisible hearing aid, it's adjustable to fit ears.

What's in the box?

• 1 Pair * Hearing Amplifier
• 4 * LR41H Button Batteries
• 6 * Earplug Of Different Sizes
• 1 * English User Manual

Product Features:

• Using the smart noise reduction chip, it can easily adapt to different sound environments. The volume is adjustable, so you can change it according to your preference.
• Small size, lightweight, comfortable wearing feeling, will not cause ear pain, its neutral design makes it the perfect choice for both men and women.
• You will receive 1 Hearing Amplifier, 4 LR41 Button Batteries, and 6 silicone tips.

Product Specifications:

• Material: ABS
• Colour: Brown
• Max Sound Output: 110+/- 5dB  
• Sound Gain:≥ 30dB
• Total Harmonic Wave Distortion:≤ 10%  
• Frequency Range: 300-4000MHz  
• Input Noise: ≤42dB  
• Voltage: d.c.1.5V  
• Current: ≤4mA    
• Power Supply: 45mAh(Included 4 * LR41H Button Batteries)
• Package Size: Approx.7.5*5.3*2.3cm / 2.95*2.09*0.91in
• Package Weight: Approx.33g / 1.16oz