code: func AdvertiseNameAndServices(ctx context.Context, name string, uuids ...UUID) error {
  	if defaultDevice == nil {
  		return ErrDefaultDevice
  	}
  	defer untrap(trap(ctx))
  	return defaultDevice.AdvertiseNameAndServices(ctx, name, uuids...)
  }
docs: // AdvertiseNameAndServices advertises device name, and specified service UUIDs.
  // It tres to fit the UUIDs in the advertising packet as much as possi
  // If name doesn't fit in the advertising packet, it will be put in scan response.