Min. Order Reference FOB Price
100 Pieces US$2.90-6.90 / Piece
Product Description
Rechargeable Hearing Aid Pocket Hearing Aid Detailed Photos Product Parameters Rechargeable Hearing aid: Max Sound Output 110±5 dB Max Sound Gain ≤ 30dB Frequency Range 300-4000 Hz Working Voltage 1.5V Input noise ≤ 40dB Net ...