diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index c41263515..850b1b8dc 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -87,10 +87,8 @@
         <attr name="keyRepeatStartTimeout" format="integer" />
         <!-- Key repeat interval in millisecond. -->
         <attr name="keyRepeatInterval" format="integer" />
-        <!-- Long press timeout of letter key in millisecond. -->
-        <attr name="longPressKeyTimeout" format="integer" />
-        <!-- Long press timeout of shift key in millisecond. -->
-        <attr name="longPressShiftKeyTimeout" format="integer" />
+        <!-- Long press timeout of shift key to shift lock in millisecond. -->
+        <attr name="longPressShiftLockTimeout" format="integer" />
         <!-- Ignore special key timeout while typing in millisecond. -->
         <attr name="ignoreAltCodeKeyTimeout" format="integer" />
         <!-- Layout resource for key press feedback.-->
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 503e92322..6b3c891c7 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -64,10 +64,13 @@
     <bool name="config_sliding_key_input_enabled">true</bool>
     <integer name="config_key_repeat_start_timeout">400</integer>
     <integer name="config_key_repeat_interval">50</integer>
-    <integer name="config_long_press_key_timeout">400</integer>
+    <integer name="config_default_longpress_key_timeout">300</integer>  <!-- milliseconds -->
+    <integer name="config_longpress_timeout_step">10</integer> <!-- milliseconds -->
+    <integer name="config_min_longpress_timeout">100</integer> <!-- milliseconds -->
+    <integer name="config_max_longpress_timeout">700</integer> <!-- milliseconds -->
     <!-- Long pressing shift will invoke caps-lock if > 0, never invoke caps-lock if == 0 -->
-    <integer name="config_long_press_shift_key_timeout">1200</integer>
-    <integer name="config_ignore_alt_code_key_timeout">350</integer>
+    <integer name="config_longpress_shift_lock_timeout">1200</integer> <!-- milliseconds -->
+    <integer name="config_ignore_alt_code_key_timeout">350</integer> <!-- milliseconds -->
     <!-- Showing more keys keyboard, just above the touched point if true, aligned to the key if
          false -->
     <bool name="config_show_more_keys_keyboard_at_touched_point">false</bool>
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index fdae3020a..e39cafc7f 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -374,6 +374,8 @@
 
     <!-- Title of an option for usability study mode -->
     <string name="prefs_usability_study_mode">Usability study mode</string>
+    <!-- Title of the settings for key long press delay -->
+    <string name="prefs_key_longpress_timeout_settings">Key long press delay settings</string>
     <!-- Title of the settings for keypress vibration duration -->
     <string name="prefs_keypress_vibration_duration_settings">Keypress vibration duration settings</string>
     <!-- Title of the settings for keypress sound volume -->
diff --git a/java/res/values/styles.xml b/java/res/values/styles.xml
index c398b5924..f71963ad1 100644
--- a/java/res/values/styles.xml
+++ b/java/res/values/styles.xml
@@ -80,8 +80,7 @@
         <item name="slidingKeyInputEnable">@bool/config_sliding_key_input_enabled</item>
         <item name="keyRepeatStartTimeout">@integer/config_key_repeat_start_timeout</item>
         <item name="keyRepeatInterval">@integer/config_key_repeat_interval</item>
-        <item name="longPressKeyTimeout">@integer/config_long_press_key_timeout</item>
-        <item name="longPressShiftKeyTimeout">@integer/config_long_press_shift_key_timeout</item>
+        <item name="longPressShiftLockTimeout">@integer/config_longpress_shift_lock_timeout</item>
         <item name="ignoreAltCodeKeyTimeout">@integer/config_ignore_alt_code_key_timeout</item>
         <item name="keyPreviewLayout">@layout/key_preview</item>
         <item name="keyPreviewOffset">@dimen/key_preview_offset</item>
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index cc1b52ba6..84e7f54ab 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -145,6 +145,13 @@
             <ListPreference
                 android:key="pref_key_preview_popup_dismiss_delay"
                 android:title="@string/key_preview_popup_dismiss_delay" />
+            <com.android.inputmethod.latin.SeekBarDialogPreference
+                android:key="pref_key_longpress_timeout"
+                android:title="@string/prefs_key_longpress_timeout_settings"
+                latin:valueFormatText="@string/abbreviation_unit_milliseconds"
+                latin:minValue="@integer/config_min_longpress_timeout"
+                latin:maxValue="@integer/config_max_longpress_timeout"
+                latin:stepValue="@integer/config_longpress_timeout_step" />
             <com.android.inputmethod.latin.SeekBarDialogPreference
                 android:key="pref_vibration_duration_settings"
                 android:title="@string/prefs_keypress_vibration_duration_settings"
diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
index d8ff5c265..c0a8f1f5e 100644
--- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
@@ -65,6 +65,7 @@ import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.ResourceUtils;
+import com.android.inputmethod.latin.Settings;
 import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
 import com.android.inputmethod.latin.StringUtils;
 import com.android.inputmethod.latin.SubtypeLocale;
@@ -205,8 +206,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
 
         private final int mKeyRepeatStartTimeout;
         private final int mKeyRepeatInterval;
-        private final int mLongPressKeyTimeout;
-        private final int mLongPressShiftKeyTimeout;
+        private final int mLongPressShiftLockTimeout;
         private final int mIgnoreAltCodeKeyTimeout;
         private final int mGestureRecognitionUpdateTime;
 
@@ -218,10 +218,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
                     R.styleable.MainKeyboardView_keyRepeatStartTimeout, 0);
             mKeyRepeatInterval = mainKeyboardViewAttr.getInt(
                     R.styleable.MainKeyboardView_keyRepeatInterval, 0);
-            mLongPressKeyTimeout = mainKeyboardViewAttr.getInt(
-                    R.styleable.MainKeyboardView_longPressKeyTimeout, 0);
-            mLongPressShiftKeyTimeout = mainKeyboardViewAttr.getInt(
-                    R.styleable.MainKeyboardView_longPressShiftKeyTimeout, 0);
+            mLongPressShiftLockTimeout = mainKeyboardViewAttr.getInt(
+                    R.styleable.MainKeyboardView_longPressShiftLockTimeout, 0);
             mIgnoreAltCodeKeyTimeout = mainKeyboardViewAttr.getInt(
                     R.styleable.MainKeyboardView_ignoreAltCodeKeyTimeout, 0);
             mGestureRecognitionUpdateTime = mainKeyboardViewAttr.getInt(
@@ -285,7 +283,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
             final int delay;
             switch (code) {
             case Constants.CODE_SHIFT:
-                delay = mLongPressShiftKeyTimeout;
+                delay = mLongPressShiftLockTimeout;
                 break;
             default:
                 delay = 0;
@@ -306,15 +304,17 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
             final int delay;
             switch (key.mCode) {
             case Constants.CODE_SHIFT:
-                delay = mLongPressShiftKeyTimeout;
+                delay = mLongPressShiftLockTimeout;
                 break;
             default:
+                final int longpressTimeout =
+                        Settings.getInstance().getCurrent().mKeyLongpressTimeout;
                 if (KeyboardSwitcher.getInstance().isInMomentarySwitchState()) {
                     // We use longer timeout for sliding finger input started from the symbols
                     // mode key.
-                    delay = mLongPressKeyTimeout * 3;
+                    delay = longpressTimeout * 3;
                 } else {
-                    delay = mLongPressKeyTimeout;
+                    delay = longpressTimeout;
                 }
                 break;
             }
diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index aa705da56..408ea4a49 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -55,6 +55,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
     public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
     public static final String PREF_GESTURE_SETTINGS = "gesture_typing_settings";
     public static final String PREF_GESTURE_INPUT = "gesture_input";
+    public static final String PREF_KEY_LONGPRESS_TIMEOUT = "pref_key_longpress_timeout";
     public static final String PREF_VIBRATION_DURATION_SETTINGS =
             "pref_vibration_duration_settings";
     public static final String PREF_KEYPRESS_SOUND_VOLUME =
@@ -175,6 +176,16 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
                 ResourceUtils.getDeviceOverrideValue(res, R.array.keypress_volumes));
     }
 
+    public static int readKeyLongpressTimeout(final SharedPreferences prefs,
+            final Resources res) {
+        final int ms = prefs.getInt(PREF_KEY_LONGPRESS_TIMEOUT, -1);
+        return (ms >= 0) ? ms : readDefaultKeyLongpressTimeout(res);
+    }
+
+    public static int readDefaultKeyLongpressTimeout(final Resources res) {
+        return res.getInteger(R.integer.config_default_longpress_key_timeout);
+    }
+
     public static int readKeypressVibrationDuration(final SharedPreferences prefs,
             final Resources res) {
         final int ms = prefs.getInt(PREF_VIBRATION_DURATION_SETTINGS, -1);
diff --git a/java/src/com/android/inputmethod/latin/SettingsFragment.java b/java/src/com/android/inputmethod/latin/SettingsFragment.java
index afe6f3594..dcbc676e1 100644
--- a/java/src/com/android/inputmethod/latin/SettingsFragment.java
+++ b/java/src/com/android/inputmethod/latin/SettingsFragment.java
@@ -164,6 +164,7 @@ public final class SettingsFragment extends InputMethodSettingsFragment
             getPreferenceScreen().removePreference(gestureTypingSettings);
         }
 
+        setupKeyLongpressTimeoutSettings(prefs, res);
         setupKeypressVibrationDurationSettings(prefs, res);
         setupKeypressSoundVolumeSettings(prefs, res);
         refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res);
@@ -298,6 +299,34 @@ public final class SettingsFragment extends InputMethodSettingsFragment
         });
     }
 
+    private void setupKeyLongpressTimeoutSettings(final SharedPreferences sp,
+            final Resources res) {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_KEY_LONGPRESS_TIMEOUT);
+        if (pref == null) {
+            return;
+        }
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                sp.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeyLongpressTimeout(sp, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeyLongpressTimeout(res);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
+
     private void setupKeypressSoundVolumeSettings(final SharedPreferences sp, final Resources res) {
         final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
                 Settings.PREF_KEYPRESS_SOUND_VOLUME);
diff --git a/java/src/com/android/inputmethod/latin/SettingsValues.java b/java/src/com/android/inputmethod/latin/SettingsValues.java
index d6556d617..29e79e4cc 100644
--- a/java/src/com/android/inputmethod/latin/SettingsValues.java
+++ b/java/src/com/android/inputmethod/latin/SettingsValues.java
@@ -59,6 +59,7 @@ public final class SettingsValues {
     public final boolean mGestureInputEnabled;
     public final boolean mGesturePreviewTrailEnabled;
     public final boolean mGestureFloatingPreviewTextEnabled;
+    public final int mKeyLongpressTimeout;
 
     // From the input box
     public final InputAttributes mInputAttributes;
@@ -121,6 +122,7 @@ public final class SettingsValues {
         mBigramPredictionEnabled = readBigramPredictionEnabled(prefs, res);
 
         // Compute other readable settings
+        mKeyLongpressTimeout = Settings.readKeyLongpressTimeout(prefs, res);
         mKeypressVibrationDuration = Settings.readKeypressVibrationDuration(prefs, res);
         mKeypressSoundVolume = Settings.readKeypressSoundVolume(prefs, res);
         mKeyPreviewPopupDismissDelay = Settings.readKeyPreviewPopupDismissDelay(prefs, res);