K-88 Rechargeable Hearing Aid Mini Ear Sound Amplifier Adjustable Tone - OEM

Features: 1. Mini size rechargeable hearing aid with lightweight. 2. Can be used in either ear. 3. Inside built in high capacity NI-MH battery, takes 3~4hours only to charge,and can work for about 30 hours after fully charge. Description: 1. Model: K-88 2. Max Sound Output: 110±5dB 3. Max Sound Gain: =30 dB 4. Harmonic Wave Distortion: =10% 5. Frequency Range: 300~4000 Hz 6. Input Noise: =40 dB 7. Battery: NI-MH battery 8. Working Voltage: DC 1.5V 9. Working Current: =4mA 10. Measurement: 22*19*15mm Package Included: 1 x Hearing aid 4 x Ear plugs(Different size) 1 x String 1 x Box 1 x Charger (US plug) 1 x User manual More Details: