DeviceBluetooth - low power center equipmentoffBLECharacteristicValueChangeVersion: 3.xOn this pageTaro.offBLECharacteristicValueChange(callback)取消监听蓝牙低功耗设备的特征值变化事件支持情况: 参考文档类型(callback: Callback) => void参数参数类型说明callbackCallback低功耗蓝牙设备的特征值变化事件的回调函数