Instruction to use
To distinguish left and right
1.L/R note: hearing device marked with L/R, L for left ear, R for right ear.
2 .Choose and install earplugs
Choice of earplug specifications:
The hearing device comes with medium size
earplug. Please select suitable earplug
accordingly to your ear canal size.
Note: It’s very important to select suitable earplug, you will hear whistling sound if you chose
too big or too small earplug.