1// Specification Type org.bluetooth.service.battery_service 2// https://www.bluetooth.com/api/gatt/xmlfile?xmlFileName=org.bluetooth.service.battery_service.xml 3 4// Battery Service 180F 5PRIMARY_SERVICE, ORG_BLUETOOTH_SERVICE_BATTERY_SERVICE 6CHARACTERISTIC, ORG_BLUETOOTH_CHARACTERISTIC_BATTERY_LEVEL, DYNAMIC | READ | NOTIFY, 7