diff --git a/README.rst b/README.rst
index b323ef7..145a48d 100644
--- a/README.rst
+++ b/README.rst
@@ -248,7 +248,8 @@ Changelog
 
 * **[NEXT]** (changes on ``master`` that have not been released yet):
 
-  * Nothing yet ;)
+  * feat: Allow to reduce the delay between two commands sent to devices (@Miskler, #236)
+  * feat: Added an env var to remove the delay between commands to speedup the tests (@flozz)
 
 * **v4.13.0:**
 
diff --git a/doc/env.rst b/doc/env.rst
index ec04510..5ab3cd4 100644
--- a/doc/env.rst
+++ b/doc/env.rst
@@ -14,6 +14,12 @@ Usage::
     RIVALCFG_DRY=1
 
 
+RIVALCFG_DEBUG_NO_COMMAND_DELAY
+-------------------------------
+
+When set, this remove the delay between commands. This is only usefull to allow tests to run faster, you may not use this with real devices, they may hang or even crash. See :py:attr:`~rivalcfg.mouse.Mouse.command_delay`.
+
+
 RIVALCFG_PROFILE
 ----------------
 
@@ -26,3 +32,4 @@ Usage::
 For example, to load the Rival 100 profile and list its CLI options::
 
     RIVALCFG_PROFILE=1038:1702 RIVALCFG_DRY=1 rivalcfg --help
+
diff --git a/noxfile.py b/noxfile.py
index 63c99f1..bdbb9ec 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -33,6 +33,7 @@ def test(session):
         "test",
         env={
             "RIVALCFG_DRY": "1",
+            "RIVALCFG_DEBUG_NO_COMMAND_DELAY": "1",
         },
     )
 
diff --git a/rivalcfg/mouse.py b/rivalcfg/mouse.py
index 6490478..a0a77db 100644
--- a/rivalcfg/mouse.py
+++ b/rivalcfg/mouse.py
@@ -1,3 +1,4 @@
+import os
 import time
 
 from . import usbhid
@@ -55,6 +56,8 @@ class Mouse:
                         :func:`rivalcfg.usbhid.open_device`).
     :param mouse_profile: One of the rivalcfg mouse profile (provided by
                             :func:`rivalcfg.devices.get_profile`).
+    :param float command_delay: Waiting time beween two commands to not
+                                overload the device.
 
     >>> from rivalcfg import usbhid
     >>> from rivalcfg import devices
@@ -76,11 +79,36 @@ class Mouse:
     #: The mouse settings (:class:`rivalcfg.mouse_settings.MouseSettings`)
     mouse_settings = None
 
-    def __init__(self, hid_device, mouse_profile, mouse_settings):
+    _MIN_COMMAND_DELAY = 0.001
+    _command_approve_delay = None
+
+    def __init__(self, hid_device, mouse_profile, mouse_settings, command_delay=0.05):
         """Constructor."""
         self._hid_device = hid_device
         self.mouse_profile = mouse_profile
         self.mouse_settings = mouse_settings
+        self.command_delay = command_delay
+
+    @property
+    def command_delay(self):
+        """Waiting time beween two commands to not overload the device.
+
+        .. WARNING::
+
+           Setting this value too low can hang the device. Some mice like the
+           Kinzu v2 are known to become laggy or even to crash when commands
+           are sent too quickly.
+        """
+        return self._command_delay
+
+    @command_delay.setter
+    def command_delay(self, new_value):
+        if new_value < self._MIN_COMMAND_DELAY:
+            raise ValueError(
+                f"command_delay is unsafe to use, with a delay of less than {self._MIN_COMMAND_DELAY} seconds"
+            )
+
+        self._command_approve_delay = new_value
 
     @property
     def name(self):
@@ -264,7 +292,8 @@ def _hid_write(
             raise ValueError("Invalid HID report type: %2x" % report_type)
 
         # Avoids sending multiple commands to quickly
-        time.sleep(0.05)
+        if "RIVALCFG_DEBUG_NO_COMMAND_DELAY" not in os.environ:
+            time.sleep(self._command_approve_delay)
 
     def __getattr__(self, name):
         # Handle every set_xxx methods generated from device's profiles