Personal sound amplifier: Sound amplifier helps to amplify sound up to 30x with low background noise, means that you can listen to low- volume sounds clearly & comfortably Adjustable
Volume: With one key to adjust the volume according to your need ON/OFF switch: With one key to turn on & off, easy to operate Rechargeable design: Super charger included, no battery required Adjustable hook: Silicone hook can be adjusted to fit your ear Type: Hearing Aids Feature: Rechargeable, Wireless Function: Sound Amplify
Colour: As shown in the picture Voltage: 1.2V Frquency: 100-4000 Hz Charging: 15
- 18 hours Size: 100 x 80 x 60mm / 3.94 x 3.15 x 2.36inch Net Weight: 81g / 2.86oz