Description
- Eliminates the complicated adjustment mode of traditional old hearing aids and simplifies the operation through the intelligent processing of the machine it self and its ready to use.
- Receiving external sound source, continuous filtering of different wave frequencies
- Help parents find their lost voice
- Wear no load easy to operate free debugging
High performance sound amplifier is a great gift for the old Made of silicone soft and comfortable to wear. Accurate and easy to use. High effective and reliable to use. While in forest, if you want to hear very slight sound, it will be a good choice. ax Sound Output: 129dB 4dB Sound Gain: 40db Voltage: DC 1.5 V Volume Levels: 6 Dimensions: 2.09 x 0.98'' / 5.3 x 2.5cm (L x H) Package Includes: 1 x Hearing Aid 2 x Earplug 2 x Battery