1. Material: ABS
2. Hearing aid battery capacity: 40mAh
3. Hearing aid charging time: about 2H
4. Hearing aid usage time: about 30H
5. Sound output: up to 125dB
6. Current: within 2mA
7. Frequency response range: 300-5500Hz

Features:
1. Intelligent noise reduction chip, amplifies the sound of different channels, the sound is not distorted, and better adapts to compensate for hearing
2. 90 degree elevation design, wear firmly, not easy to fall
3. The magnetic charging base is also a storage box, and the Type-C interface is convenient and fast.
4. Silicone earplugs, good elasticity, soft and comfortable
5. Exquisite and compact, easy to carry and comfortable to wear
6. Knob to adjust the volume of sound, easy to operate