# wx.offBLECharacteristicValueChange(function callback)
Start from base library version 2.9.0. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support, need to Mini Program base library version no less than 2.9.1
Cancels listening for eigenvalue change events on Bluetooth low-power devices.
# parameter
# function callback
Callback Functions for Eigenvalue Change Events of Bluetooth Low Power Devices