diff --git a/gatts.go b/gatts.go
index aa9b64d6..92abdaf0 100644
--- a/gatts.go
+++ b/gatts.go
@@ -18,6 +18,7 @@ type CharacteristicConfig struct {
 	Value      []byte
 	Flags      CharacteristicPermissions
 	WriteEvent func(client Connection, offset int, value []byte)
+	ReadEvent  func(client Connection) ([]byte, error)
 }
 
 // CharacteristicPermissions lists a number of basic permissions/capabilities
diff --git a/gatts_linux.go b/gatts_linux.go
index 21a4c81a..4d486e46 100644
--- a/gatts_linux.go
+++ b/gatts_linux.go
@@ -1,3 +1,4 @@
+//go:build !baremetal
 // +build !baremetal
 
 package bluetooth
@@ -83,6 +84,14 @@ func (a *Adapter) AddService(s *Service) error {
 			})
 		}
 
+		// Lazy read value
+		if char.ReadEvent != nil {
+			callback := char.ReadEvent
+			bluezChar.OnRead(func(c *service.Char, options map[string]interface{}) ([]byte, error) {
+				return callback(0)
+			})
+		}
+
 		// Add characteristic to the service, to activate it.
 		err = bluezService.AddChar(bluezChar)
 		if err != nil {