diff --git a/inc/WS2812B.h b/inc/WS2812B.h
index 3a6deb6..a24967b 100644
--- a/inc/WS2812B.h
+++ b/inc/WS2812B.h
@@ -32,9 +32,9 @@ DEALINGS IN THE SOFTWARE.
 
 #define WS2812B_BUFFER_SIZE         256
 #define WS2812B_PAD                 (0x8000)
-#define WS2812B_LOW                 (0x8000 | 6)
-#define WS2812B_HIGH                (0x8000 | 10)
-#define WS2812B_PWM_FREQ            500000
+#define WS2812B_LOW                 (0x8000 | 5) // 320ns
+#define WS2812B_HIGH                (0x8000 | 12) // 760ns
+#define WS2812B_PWM_FREQ            800000
 #define WS2812B_ZERO_PADDING        50
 
 /**
@@ -128,4 +128,4 @@ namespace codal
         void _play(const void *data, int length, bool mode);
     };
 }
-#endif
\ No newline at end of file
+#endif