Purchase Qty. Reference FOB Price
50-199 Pieces US$12.00
200-999 Pieces US$10.00
1,000+ Pieces US$7.00
Product Description
Specifications: Max sound output: 110±5dB Sound Gain: ≥30dB Total harmonic wave distortion: ≤10% Frequency Range: 300Hz ~ 4000Hz Equivalent Input Noise: ≤40dB Standard Battery: AG3 Voltage: DC 1.5V Current: ≤4mA Package includes: 2 x Adjustable Volume Hearing Aid ...