diff --git a/pyflowery/models.py b/pyflowery/models.py
index 8203e7a..e5a2960 100644
--- a/pyflowery/models.py
+++ b/pyflowery/models.py
@@ -42,12 +42,12 @@ class Result:
         success (bool): Boolean of whether the request was successful
         status_code (int): Standard HTTP Status code
         message (str = ''): Human readable result
-        data (Union[List[Dict], Dict]): Python List of Dictionaries (or maybe just a single Dictionary on error)
+        data (Union[List[Dict], Dict, bytes]): Python List of Dictionaries (or maybe just a single Dictionary on error), can also be a ByteString
     """
     success: bool
     status_code: int
     message: str = ''
-    data: Union[List[Dict], Dict] = field(default_factory=dict)
+    data: Union[List[Dict], Dict, bytes] = field(default_factory=dict)
 
 
 @dataclass
diff --git a/pyflowery/pyflowery.py b/pyflowery/pyflowery.py
index a773fd6..e32e0f9 100644
--- a/pyflowery/pyflowery.py
+++ b/pyflowery/pyflowery.py
@@ -90,7 +90,7 @@ class FloweryAPI:
                 language=Language(**voice['language']),
             )
 
-    async def fetch_tts(self, text: str, voice: Voice | str | None = None, translate: bool = False, silence: int = 0, audio_format: str = 'mp3', speed: float = 1.0):
+    async def fetch_tts(self, text: str, voice: Voice | str | None = None, translate: bool = False, silence: int = 0, audio_format: str = 'mp3', speed: float = 1.0) -> bytes:
         """Fetch a TTS audio file from the Flowery API
 
         Args:
@@ -109,7 +109,7 @@ class FloweryAPI:
             RetryLimitExceeded: Raised when the retry limit defined in the `FloweryAPIConfig` class (default 3) is exceeded
 
         Returns:
-            bytes: The audio file
+            bytes: The audio file in bytes
         """
         if len(text) > 2048:
             if not self.config.allow_truncation: