How to connect your mouse to your Xiaomi phone: USB, Bluetooth and OTG-regimes

The ability to control a Xiaomi smartphone with a computer mouse opens up new horizons for working, playing or adapting the device for specific tasks. For example, the mouse is indispensable when connecting the phone to a monitor via HDMI (DeX-like desktop mode), for accurate editing of documents or comfortable gaming in shooters. However, not all users know that modern models of Redmi, POCO and Mi line support this out of the box – just activate a couple of settings.

In this article, we will analyze all the current ways to connect the mouse to Xiaomi phones (including budget models), consider the nuances of compatibility with different versions. MIUI (12 to 14), and solve typical problems - from lack of response to the problem of the USB-This is a device that is up to lags in a wireless connection, and we'll focus on the hidden mouse pointer function in the MIUI 14, which allows you to emulate the cursor even without a physical mouse – useful for devices without OTG-port.

1. Compatibility check: which mouse is right for Xiaomi

Before you plug in your mouse, make sure your device supports this feature.Most Xiaomi smartphones from 2018 (based on Qualcomm Snapdragon or MediaTek Helio) are equipped with the same feature. OTG-On-The-Go port, which allows you to connect peripherals, with the exception of some ultra-budget models (for example, Redmi). A1 or POCO C50).

By type of connection, mice are divided into:

• 🔌 Wired USB — demand OTG-Adapter (if the phone connector Type-C or Micro-USB).
• 📶 Bluetooth – compatible with any smartphone, but there may be delays.
• 🎮 Game mice (with additional buttons) – only work in mode HID (Human Interface Device).

To check OTG support on your Xiaomi, download the USB OTG Checker app or use the table below:

⚠️ Note: If your Xiaomi does not recognize USB-mouse OTG-Adapter, check the settings for developers → Debugging by USB. On some firmware, this option blocks external HID-device.

Method 1: Connecting wired USB-mouse-wise OTG

This is the most reliable method, because it doesn't depend on the battery power of the mouse and it provides minimal latency.

• 🔌 OTG-Adapter (for Type-C or Micro-USB).
• 🖱️ Wired mouse with connector USB-A.

Step-by-step:

1. Connect. OTG-phone adapter.
2. Put the mouse in the adapter. A notification will appear on the screen "USB-plug-in".
3. If the cursor doesn’t appear, go to Settings → Connected Devices → USB and select File Transfer (MTP) mode.

Some models (such as the POCO F4 GT) may require additional tuning:

Settings → Special features → Control pointer → Turn on the mouse

Connected. OTG-adapter|The mouse is good (check on PC)|Regime on. MTP customized USB|Battery savings for the system are disabled-->

⚠️ Warning: If the mouse is unstable (cursor twitches), try to disable Optimization MIUI In the battery settings for the Launcher app, this eliminates conflicts with background processes.

3. Method 2: Connecting a Bluetooth mouse

Wireless connectivity is convenient for constant use, but can suffer from delays (latency) and is suitable for models without OTG or when working from a distance from the phone.

Instructions:

1. Turn on Bluetooth on your phone (Settings → Bluetooth).
2. Put the mouse in pairing mode (usually hold the power button for 3-5 seconds until the indicator blinks).
3. In the list of available devices, select the name of your mouse (for example, Logitech MX Master 3).
4. Confirm the pairing. The courseor will appear in 5-10 seconds.

If the mouse is not identified:

• 🔄 Restart your phone and mouse.
• 📱 Remove the mouse from the list of associated devices and reconnect.
• 🔧 Update the firmware MIUI (In older versions there were bugs with Bluetooth 5.0).

Wired USB|Bluetooth|Game with extra buttons |I don't know, haven't picked-->

On models with MIUI 14 (for example, Xiaomi 13T) there is a function “Smart pointer”, which allows you to adjust the sensitivity of the Bluetooth mouse:

Settings → Connected devices → [Mice Name] → Sensitivity

Method 3: Emulation of a mouse via a touch screen (without a physical device)

If you don't have a mouse on hand but need to control your cursor urgently (for example, for a presentation), MIUI 13/14 has a built-in "Mouse Pointer" feature that converts the touches of the screen into virtual cursor movements.

How to turn on:

1. Go to Settings → Special Options → Control pointer.
2. Activate the mouse pointer switch.
3. There's a round cursor icon on the screen, drag it with your finger.

The function supports:

• 🖱️ Left/right press (tap with one or two fingers).
• 🔄 Scrolling (gesture with two fingers up/down).
• ⚙️ Setting the speed and size of the cursor.

5. Method 4: Connecting through USB-hub (for extended periphery)

If you connect your Xiaomi phone to a monitor in DeX mode (for example, via a device). HDMI-adapter, you can use USB-It's a hub for connecting a mouse, a keyboard and even an external drive at the same time, and it turns a smartphone into a full-fledged PC.

Equipment required:

• 🔌 USB-hub OTG and food (recommended by Baseus) 6-in-1).
• 🖱️ Mouse and keyboard (wired or wireless via USB-receiver).
• 📺 adapter HDMI/Type-C image-out.

Procedure:

1. Put the hub on the phone.
2. Insert the mouse and keyboard into the hub ports.
3. Connect the HDMI to the monitor.
4. On the phone, select the Desktop Mode mode in the display settings.

On the POCO F4/F5 and Redmi K50 models, you may need to disable MIUI Optimization for stable operation of the hub:

Settings → Battery → Battery Optimization → Find “Launcher” and turn off

6 Problem Solving: The mouse is not working or is not working properly

If the cursor does not appear or the mouse behaves strangely (hangs, jerks), use this instruction:

For diagnosis. USB-Problems with installing the application USB Device Info. It'll show you if a mouse is recognized as a mouse. HID-device.

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If the mouse is working but the cursor disappears after the screen locks, add the Launcher app to the RAM Autoclean exception list: Settings → Apps → AutoRun

7 Additional settings: sensitivity, gestures and macros

Once you've connected the mouse, you can fine-tune its behavior to your needs, and MIUI 14 has expanded its control options.

How to adjust sensitivity:

1. Go to Settings. → Connected devices.
2. Select your mouse from the list.
3. Set up the parameters: 📏 Pointer speed (from 1 to 10). 🔄 Scrolling (number of rows when the wheel is rotated). ⚙️ Buttons (reassigning keys for gaming mice).

For advanced users, the External Keyboard Helper Pro application is useful, which allows you to:

• 🎮 Assign macros to additional mouse buttons.
• 🔧 Emulate keyboard shortcuts (e.g. Ctrl)+C when the side button is pressed).
• 🖱️ Adjust cursor acceleration (useful for designers).

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On Black Shark models (such as Black Shark 5 Pro), the mouse can be used in X Mode for gaming, which reduces input latency to 8ms.

8.Applications for Advanced Mouse Control

Standard facilities MIUI limited by basic support HID-For advanced features (such as touchpad emulation or gesture creation), install one of these applications:

For games (such as Genshin Impact or PUBG Mobile), the mouse can be used with the keyboard via the Octopus app, which emulates the gamepad, allowing you to play with the accuracy of a PC:

1. Connect the mouse and keyboard.


2. Launch Octopus and select the game profile.




3. Assign control buttons (for example, LCM = shooting, PKM = sight).

⚠️ Note: In some games (such as Free Fire), using a mouse can be considered cheating!

FAQ: Frequent questions about connecting a mouse to Xiaomi