Hearing Aid, Listening Impaired Audio/Sound Amplifier with Rechargeable Battery

Features:Listening Enhancement Hearing Aid AssistanceConvenient & Comfortable Wireless DesignEffectively Reduces Background NoiseTested to Provide a More Comfortable Listening ExperienceASC (Automatic Signal Control) Regulates & Balances SoundAmplify Sounds up to 30xBuilt-in Rechargeable BatteryComfortable Non-Interfering DesignMade to Fit: For Ears All Shapes & SizesEasily Adjustable Volume Control WheelIncludes Changeable Earbuds / Inserts (Small, Medium, Large)Charging Power Adapter and Docking Station Also IncludedLong Lasting Battery Life: Lasts up to 12 HoursSimple ON/OFF SwitchTechnical Specs:Battery: Rechargeable Lithium-ion (1.2V)Working Current: Signal to Noise Ratio: Frequency Response: 100-400HzAudio Gain: 30dBDistortion: <6%