Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. 1 x Hearing Aids. Input Noise: <=32dB.

Amount: 2PCS
Brand: Unbranded
Type: Audio/Hearing Loop
Features: Bluetooth
Maximum Sound Output: 118+/- 4dB
Sound Gain: >= 32dB+/- 2dB
Total Harmonic Distortion: <= 7%
Frequency: 300-3800MHz
Input Noise: <=32dB
Voltage: DC 3.7V
Current: <=2mA
Charging Time: 3 hours
Normal Working Time: 45 hours