Pocket Hearing aid Max Sound Output: 129±4 dB Max Sound Gain: 60dB ± 5dB Harmonic Wave Distortion: ?5% Frequency Range: 250~3800 Input Noise: ?50 dB Battery: 1 x AA battery ?Without Battery? Working Voltage: dc1.5V Working Current: ?4mA Color: As the picture shows Item Size: 6.75 x 4.35 x 1.9cm Package Size: 12 x 8.5 x 3.3cm
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The images represent actual product though color of the image and product may slightly differ.