Hearing Amplifier, Personal Sound Amplifier, Compatible with personal use for elderly

Features: 1. Enhances vocals while reducing background noise, with large LCD screen and 15 volume levels. 2. Lightweight and portable, convenient for the elderly to carry. 3. Simple on/off function, comfortable earbuds for use. Product Details: Color: Black Material: ABS Dimensions: 8.5 x 3 x 18.5cm Power: 2 x AAA batteries (not included) Maximum sound output: 120 dB Sound Frequency: 85 dB Sound Gain: 22.8 dB Total Harmonic Distortion: 10% Frequency range: 200-5000 Hz Equivalent input noise: 30dB Operating voltage: 3V Packing List: 1 Hearing Aid, 2 Ear Plugs, 1 Blister Bottom Bracket, 1 English Instruction Manual