BluetoothGatt bluetoothGatt = device.connectGatt(BluetoothActivity.this, false, btleGattCallback);
                bluetoothGatt.discoverServices();
                List<BluetoothGattService> services = bluetoothGatt.getServices();
                for (BluetoothGattService service : services) {
                    List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
                    for (BluetoothGattCharacteristic characteristic : characteristics) {
                        Log.d("Dsds", characteristic.getUuid().toString());
                    }

                }