Portable Adjustable Tone Hearing Aid, Small Invisible In-Ear Type Best Sound Amplifier - Brown CD/DVD Drives 2V Charger Input Voltage 100-240VV

2V Charger Input Voltage 100-240VV Output Current 13

WiFi connection: 7mA

special vibration moving coil unit

Form Color Black Quantity 1 set Material ABS Shade Of Color Black Compatible Models PS4

Portable Adjustable Tone Hearing Aid, Small Invisible In-Ear Type Best Sound Amplifier - Brown CD/DVD Drives 2V Charger Input Voltage 100-240VVFeatures: Light Small Sound Amplifier Adjustable Tone ITE Hearing Aid When you see the film, watch the play, have meeting, or have classes, this product can help you to hear the sound clearly and loudly Made of durable soft plastic material that comfortable While in forest, if you want to hear very slight sound, it will be a good choice It can be used for sound amplifier Max sound output: 1105dB Sound gain: 30dB Total Harmonic Wave Distortion: 10%