diff --git a/multimedia/player_framework/lowpower_avsink/liblowpower_avsink.ndk.json b/multimedia/player_framework/lowpower_avsink/liblowpower_avsink.ndk.json
index 7e53713e491574d739dd5d83c218d7ebb6cf50de..c59da8e1a9a353156ccc383991a63284dff3b206 100644
--- a/multimedia/player_framework/lowpower_avsink/liblowpower_avsink.ndk.json
+++ b/multimedia/player_framework/lowpower_avsink/liblowpower_avsink.ndk.json
@@ -9,6 +9,10 @@
   },
   {
     "first_introduced": "20",
+    "name": "OH_LowPowerAVSink_GetCapability"
+  },
+  {
+    "first_introduced": "21",
     "name": "OH_LowPowerAudioSink_CreateByMime"
   },
   {
@@ -185,6 +189,10 @@
   },
   {
     "first_introduced": "20",
+    "name": "OH_LowPowerVideoSink_GetLatestPts"
+  },
+  {
+    "first_introduced": "21",
     "name": "OH_LowPowerVideoSink_RegisterCallback"
   },
   {
diff --git a/multimedia/player_framework/lowpower_avsink_base.h b/multimedia/player_framework/lowpower_avsink_base.h
index fbb65514be1bc0084a98b97e3e490048d9582549..4613a6a1f5efa66cc20fe7b86f2a6c0ccbc19d59 100644
--- a/multimedia/player_framework/lowpower_avsink_base.h
+++ b/multimedia/player_framework/lowpower_avsink_base.h
@@ -53,6 +53,13 @@ extern "C" {
  */
 typedef struct OH_AVSamplesBuffer OH_AVSamplesBuffer;
 
+/**
+ * @brief Forward declaration of OH_LowPowerAVSink_Capability.
+ *
+ * @since 20
+ */
+typedef struct OH_LowPowerAVSink_Capability OH_LowPowerAVSink_Capability;
+
 /**
  * @brief Append one OH_AVBuffer data to framePacketBuffer instance.
  *
@@ -77,9 +84,22 @@ OH_AVErrCode OH_AVSamplesBuffer_AppendOneBuffer(OH_AVSamplesBuffer *samplesBuffe
  */
 int32_t OH_AVSamplesBuffer_GetRemainedCapacity(OH_AVSamplesBuffer *samplesBuffer);
 
+/**
+ * @brief Query the supported capabilities of a lowpower audio/video sink.
+ *
+ * This function queries and returns the capability set supported by the current
+ * lowpower audio/video sink, including but not limited to supported media formats, etc.
+ *
+ * @return {OH_LowPowerAVSink_Capability*} 
+ * - A pointer to the capability structure if the sink supports capability queries and the query is successful.
+ * - nullptr if the sink does not support capability queries or the query fails.
+ *
+ * @since 21
+ */
+OH_LowPowerAVSink_Capability *OH_LowPowerAVSink_GetCapability();
 #ifdef __cplusplus
 }
 #endif
 #endif // NATIVE_LOWPOWER_AVSINK_BASE_H
 
-/** @} */
\ No newline at end of file
+/** @} */
diff --git a/multimedia/player_framework/lowpower_video_sink.h b/multimedia/player_framework/lowpower_video_sink.h
index 52c77f14c4a3e9056c69c96720b405f143ecd6fc..3f91faa145973b9e0684db6173170d93121f5a2f 100644
--- a/multimedia/player_framework/lowpower_video_sink.h
+++ b/multimedia/player_framework/lowpower_video_sink.h
@@ -341,6 +341,20 @@ OH_AVErrCode OH_LowPowerVideoSink_ReturnSamples(OH_LowPowerVideoSink* sink, OH_A
  */
 OH_AVErrCode OH_LowPowerVideoSink_RegisterCallback(OH_LowPowerVideoSink* sink, OH_LowPowerVideoSinkCallback* callback);
 
+/**
+ * @brief Get the latest presentation timestamp (PTS) from lowpower video sink.
+ *
+ * @param {OH_LowPowerVideoSink*} sink Pointer to an OH_LowPowerVideoSink instance.
+ * @param {int64_t*} pts Pointer to store the latest PTS value (in microseconds).
+ * @return Returns AV_ERR_OK if the timestamp is obtained successfully;
+ * otherwise, returns a specific error code as defined in {@link OH_AVErrCode}:
+ * {@link AV_ERR_INVALID_VAL} the sink is nullptr, or sink is invalid.
+ * {@link AV_ERR_SERVICE_DIED} media service is died.
+ * {@link AV_ERR_OPERATE_NOT_PERMIT} operation not permitted.
+ * @since 21
+ */
+OH_AVErrCode OH_LowPowerVideoSink_GetLatestPts(OH_LowPowerVideoSink *sink, int64_t *pts);
+
 /**
  * @brief Creates a lowpower video sink callback instance.
  *