藍(lán)牙鼠標(biāo)在Mac 上出現(xiàn)延遲或卡頓通常由多種因素造成，包括無(wú)線乾擾、低電量、系統(tǒng)問(wèn)題或多設(shè)備連接過(guò)載。 1. 無(wú)線設(shè)備干擾：將Mac 和鼠標(biāo)遠(yuǎn)離路由器、USB 3.0 設(shè)備等乾擾源，或切換Wi-Fi 至5 GHz 頻段。 2. 鼠標(biāo)電量不足：通過(guò)系統(tǒng)設(shè)置或鼠標(biāo)自身指示燈檢查電池狀態(tài)並更換電池。 3. 系統(tǒng)或藍(lán)牙驅(qū)動(dòng)未更新：前往系統(tǒng)設(shè)置更新macOS，並嘗試通過(guò)調(diào)試菜單重置藍(lán)牙模塊。 4. 藍(lán)牙設(shè)備過(guò)多：斷開(kāi)不使用的外設(shè)，或使用藍(lán)牙USB 適配器分擔(dān)負(fù)載。逐步排查上述問(wèn)題可有效解決鼠標(biāo)卡頓現(xiàn)象。

Bluetooth mouse lag or stuttering on a Mac can be frustrating, especially when you're in the middle of work or browsing. It's usually not a single cause — more often, it's a mix of environmental factors, software conflicts, or hardware limitations.

Here are the most common reasons and what you can do about them:

1. Interference from Other Wireless Devices

Bluetooth relies on the 2.4 GHz frequency band, which is also used by Wi-Fi routers, cordless phones, microwaves, and even some USB 3.0 devices. If your mouse starts stuttering when you're using other wireless gear or near certain electronics, interference is likely the culprit.

What to do:

• Move your Mac and mouse away from routers, speakers, or other Bluetooth/Wi-Fi devices.
• Try unplugging any nearby USB 3.0 hubs or external drives — they're known to interfere with Bluetooth signals.
• If possible, switch your Wi-Fi router to a 5 GHz band (if supported), leaving the 2.4 GHz band less crowded.

2. Low Battery in Your Mouse

This one's easy to overlook. When the battery in your Bluetooth mouse runs low, it can't maintain a stable connection, leading to lag or erratic behavior.

What to check:

• Go to System Settings > Bluetooth , and look for your mouse. Some mice will show battery percentage here.
• If you don't see a battery indicator, check the mouse itself — some have LED indicators or companion apps that show battery status.
• Replace or recharge the batteries as needed.

3. Outdated macOS or Bluetooth Driver Issues

Apple regularly releases updates that improve compatibility and fix bugs — including Bluetooth-related ones. If your system hasn't been updated in a while, that might be part of the issue.

How to update:

• Go to System Settings > General > Software Update and install any available updates.
• You can also try resetting the Bluetooth module:
  • Hold down Shift Option and click the Bluetooth icon in the menu bar.
  • Choose Debug > Remove All Devices , then Debug > Reset the Bluetooth Module .
  • Reconnect your mouse afterward.

4. Too Many Connected Bluetooth Devices

If you have multiple Bluetooth peripherals connected (like headphones, a keyboard, and a mouse), your Mac might struggle to manage all of them at once — especially if it's an older model.

Try this:

• Disconnect any unused Bluetooth devices.
• If you're using a lot of accessories, consider using a Bluetooth USB adapter to offload some connections.

It's usually not just one thing causing the problem — it's a combination of small issues stacking up. Start with the easiest fixes like checking the battery and removing interference sources. From there, reset Bluetooth or update your OS if needed.

基本上就這些。

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