Rechargeable Invisible Hearing Aid For Adults Seniors, Magnetic Contact Charging Box,Mini Sound Amplifier Earbuds

ADVANCED FULL DIGITAL CHIP 8 CHANNELS The built-in full digital chip refines the sound with excellent noise reduction, giving you a wonderful listening experience.

Intelligent auto on/off function: take out the device from the charging cradle. After 4~5 seconds, it will be automatically activated and the red light on the device flashes 3 times. After use, simply put the device back into the charging cradle, it will automatically turn off and charge.

Easy operation with stepless volume levels (0~100%)】: you can easily operate the device with one hand, turn the volume control clockwise/counterclockwise slowly to continuously increase/decrease the volume (0~100%)
Fast Charging: with magnetic charging box and USB cable, provides 20 hours of use at 1.5 hours charging time and 100 hours reserve power