Hearing aid AMPLIFIERS-Portable Small Mini In The Ear Invisible Best Sound Amplifier Tunable Digital Tone

الوصف

Mini ITE Hearing aidMax Sound Output: ≥120 dBMax Sound Gain: ≥30 dBHarmonic Wave Distortion: f1000Hz≤4%Frequency Range: 250~3800 HzInput Noise: ≤50 dBBattery: AG3  Button battery (included)               Working Voltage: dc1.5V                      Working Current: ≤4mA      Color: As the picture showsItem Size: 2.2 x 1.9 x 1.4cmPackage Size: 8.5 x 5.5 x 3.5cmNet Weight: 4g1 x K-82 Hearing aid 3 x Earplug (different sizes)2 x AG3 Button battery1 x User manual1 x Box