today we build 2 firmwares ,one for left ear, another for right ear .

it has le audio enabled by default . the firmware is ****-4dbm_left-20240314.hex and ****-4dbm_right_20240314.hex ,and uploaded to github for backup

updated on 2024-03-28: we adjust the interval time between button click,and actually we fixed one bug about le audio possibly bug. and hex file is:****-ehear_buttonlatency_left_240327.hex and ***_buttonlatency_right_240327.hex

when devices (left and right) power on , you need pair your andorid mobile phone with the both devices,below is screenshot

Below is procedures:

1. after device power on (and paired) , it's hearing aid function
2. when you play music from android phone ,or you have incoming call , the device switch to le audio function, you can hear audio from your mobile phone
3. during le audio ,you can press mode button to return to hearing aid function
4. or when you stop playing music or call hangup , the device return to hearing aid function
5. you can press mode button ,4 modes support
6. you can double press mode button ,to enter fitting or exit fitting . when in fitting ,you can use web fitting (J10 Hearing Aid (jhearing.com) ) or your android app to change hearing aid parameters via BLE
7. you can long press mode button to make the device to sleep mode , which cost 0.02-0.10 mA current in sleep mode , you can long press mode button to return to normal working
8. volume+ button ,volume- button

In our test , the le audio need good antenna design . in our firmware ,we increased to 4dbm when le audio function ,and 0 dbm when hearing aid function .better design god antenna to lower power consumption